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Aluminium - Aluminium The history of Aluminium use Aluminium is now one of the most widely used metals, but one of the hardest to refine due to it's reactivity with other elements. Even as late as the turn of the century, Aluminium was considered very valuable and in turn expensive, even more expensive than gold. In some cultures, when a function was held (for example, a party) by wealthy people, only the most honored guests would be given Aluminium cutlery, the others had to make do with gold or silver cutlery....   [tags: essays research papers] 487 words
(1.4 pages)
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Alzheimer and Aluminium - Aluminium is present in the earth's crust in huge amount, mainly in the form of insoluble aluminium silicates. It is scarce in the human body which contain only 30-50 mg of that metal. This is due to the insolubility of aluminium, the presence of a barrier in the gastro-intestinal tract to soluble forms of aluminium, and the ability of the kidneys to excrete aluminium effectively in healthy people. Aluminium is present in food occurs in additives, tea which is rich in aluminium, and drinking water which is treated with aluminium to remove organic residues....   [tags: Medical Research]
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Experiment to Find the Specific Heat Capacity of an Aluminium Block - Experiment to Find the Specific Heat Capacity of an Aluminium Block DATA COLLECTION: Mass(m) (kg) (5dp) Current(I) (A) (2dp) Voltage (V) (2dp) Time(t) (s) (0dp) Initial temp(T1) (ºC) (2sf) Final temp(T2) (ºC) (2sf) +/-( 5*10^ -4) % +/- (1*10^ -1) % +/- (4*10^ -2) % +/- (5*10^-1)s +/- 0.5 ºC +/- (5*10^ -1) ºC 0.99577 3.70 12.07 0 16.0 16.0 0.99577 3.70 12.08 60 16.0 18.0 0.99577 3.68 12.10 120 16.0 20.0 0.99577 3.66 12.11 180 16.0 22.0 0.99577 3.68 12.10 240 16.0 25.0 0.99577 3.64 12.08 300 16.0 27.0 0.99577 3.64 12.08 360 16.0 30.0 0.99577 3.65 12.03 420 16.0 33.0 DATA PROCESSING AND PRESENTATION: As Q=m.c.(T2-T1) Where Q= energy transfer C= specific heat capacity We can rearrange this to give: C= Q/(m(T2-T1)) And as power = energy/time Therefore E= Pt = Q And P = IV therefore Q = IVt Hence C= IVt/(m(T2-T1)) Which is rearranged to the form y=px + c to give: T2= (IVt / (m.C)) + T1....   [tags: Papers] 481 words
(1.4 pages)
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An Analysis of the Properties of Aluminum - An Analysis of the Properties of Aluminum Physically, chemically and mechanically aluminium is a metal like steel, brass, copper, zinc, lead or titanium. It can be melted, cast, formed and machined much like these metals and it conducts electric current. In fact often the same equipment and fabrication methods are used as for steel. Light Weight Aluminium is a very light metal with a specific weight of 2.7 g/cm3, about a third that of steel. For example, the use of aluminium in vehicles reduces dead-weight and energy consumption while increasing load capacity....   [tags: Papers] 1111 words
(3.2 pages)
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Aluminum - Aluminum Aluminum is one of a number of soft metals that scientists call "poor" metals. It can be shaped and twisted into any form. It can be rolled into thick plates for armored tanks or into thin foil for chewing gum wrappers. It may be drawn into a wire or made into cans. Aluminum is a generally popular metal because it does not rust and it resists wear from weather and chemicals. (Bowman, 391) Aluminum is an element. Its atomic number is thirteen and its atomic weight is usually twenty-seven....   [tags: Papers] 1590 words
(4.5 pages)
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Aluminum - Aluminum, symbol Al, the most abundant metallic element in the earth's crust. The atomic number of aluminum is 13; the element is in group 13 (IIIa) of the periodic table. Hans Christian Orstead, Danish chemist, first isolated aluminum in 1825, using a chemical process involving potassium amalgam. Between 1827 and 1845, Friedrich Wöhler, a German chemist, improved Oersted's process by using metallic potassium. He was the first to measure the specific gravity of aluminum and show its lightness. In 1854 Henri Sainte-Claire Deville, in France, obtained the metal by reducing aluminum chloride with sodium....   [tags: essays research papers] 1227 words
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Aluminum - Aluminum Aluminum is the second most abundant element in the Earth’s crust. It has a concentration of about 8.2 percent (Craig et al 264). Aluminum “is malleable, ductile, and easily machined and cast; and has excellent corrosion resistance and durability” (http://minerals.usgs.gov/). It is evident in everyday life. Aluminum is a very useful abundant metal. A large fraction of the mineral products we seek are metals, such as aluminum (Halleck, 1/20). The major uses of aluminum are transportation, packaging and containers, and building products....   [tags: Research Essays]
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Aluminum - Aluminum Hello buddy. How is the weather in Paris. It is extremely cold in New York and there is snow all over the place. The reason I am writing is to give you the information you wanted on aluminum. I have everything you would possibly want to know about everything from mining to recycling, but I will begin with a little background on the element first. Aluminum is the third most abundant element in the Earth's crust and was probably formed during the birth of our solar system through collisions of hydrogen atoms under intense heat and pressure....   [tags: Elements Natural Resources Science Essays]
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Aluminum Bats - ESPN the magazine starts the story July 25, 2003 Brandon Patch was on his way to play his final American Legion Baseball game against Montana's two time state champs Helena. Brandon was a husky first baseman and a pitcher not much for the specifics. He just loved to play the game of baseball. He was so excited to play against their rival the best team in the state. He said, "He was not going to lose." The score tied 3 to 3 in the bottom of the fifth inning with one out and a 1-1count, Quinn LeSage was at bat....   [tags: Sports] 1177 words
(3.4 pages)
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Aluminum Nitride on Titanium - Piezoelectric materials are widely used for microscale sensors and actuators but can pose material compatibility challenges. This paper reports a post-CMOS compatible fabrication process for piezoelectric sensors and actuators on silicon using only standard CMOS metals. The piezoelectric properties of aluminum nitride (AlN) deposited on titanium (Ti) by reactive sputtering are characterized and microcantilever actuators are demonstrated. The film texture of the polycrystalline Ti and AlN films is improved by removing the native oxide from the silicon substrate in-situ and sequentially depositing the films under vacuum to provide a uniform growth surface....   [tags: Research Analysis] 800 words
(2.3 pages)
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Bauxite/Aluminum and the Environment - Bauxite/Aluminum and the Environment Aluminum is the third most common element in the earth's crust, with reserves guaranteed to last hundreds of years, and, in its ore, bauxite, one of the most economically significant minerals in the world. It is, perhaps, more easily recycled than any other mineral substance used by man, but mining operations still continue and are enormously valuable. Aluminum companies have been at the forefront of environmental progress and effort in the minerals industry....   [tags: Essays Papers] 955 words
(2.7 pages)
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Aluminum Bats vs. Wooden Bats - Aluminum Bats vs. Wooden Bats      Is baseball America’s pastime. For the major leaguers maybe, but for college athletes it seems more like a new age video game. The introduction of high dollared aluminum bats produce football like scores, higher statistics, and a percentage of danger to each and every player on the field. The NCAA has changed the regulations of the bats so far and should look further into to making another change to wooden bats.      High tech aluminum baseball bats aren’t quite as new to the game as many people may think....   [tags: Baseball Bats compare Contrast Essays]
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Toxic Effects of Aluminum and Their Probable Association with Dialysis Encephalopathy - Toxic Effects of Aluminum and Their Probable Association with Dialysis Encephalopathy Reports on the neurotoxic properties of Aluminum (Al++), as well as those of many other heavy metals, date as far back as the end of the nineteenth century. In 1965, Al was found to induce the formation of neurofibrillary tangles (NFT) in animal brains. These NFT’s were similar to those found in brains of patients suffering from Alzheimer’s Disease (AD). Vast research thus, was targeted at defining the possible etiologic role of Al in AD....   [tags: Chemistry Chemical Essays]
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Electrolysis - Electrolysis Electrolysis is a chemical process by which electrical currents can be passed through solutions. Pure water cannot conduct electricity, but if a salt such as Sodium Chloride is dissolved in it, the solutions will start conducting if two electrodes are placed in it with a battery that provides the initial current. When we close the switch, copper ions on the anode will start to move through the solution to the cathode. The copper atoms have already given up two electrons to become ions and their electrons are free to move in the wires....   [tags: Papers] 491 words
(1.4 pages)
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Alloy Wheels - Alloys They are lightweight, better conductors of heat and fit more snugly than steel variants. But most importantly they improve fuel efficiency...No wonder aluminium alloy wheels are fast becoming the preferred accessory of car consumers IT'S now considered a wonder material for autoville. Aluminium, which is increasingly replacing steel in car factories across the world (including some of the more premium names in the business like BMW and Mercedes Benz), is also the preferred material for wheels, both automotive and otherwise....   [tags: Case Study, solution] 939 words
(2.7 pages)
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Which two metals combined together give the higher voltage when reacting with acid - Which two metals combined together give the higher voltage when reacting with acid Introduction In this investigation we will find out which two metals combined together give the higher voltage when reacting with acid. The metals used will be: · Aluminium · Zinc · Iron · Tin · Lead · Nickel · Copper To make a prediction on what metals will be the ones that give the highest voltage when combined together you need to find out if the position in which the metals are at in the reactivity series would make a difference, and if it does, how....   [tags: GCSE Chemistry Coursework Investigation] 1196 words
(3.4 pages)
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Investigating Which Metal Combination Gives Out the Most Voltage in a Solution - Investigating Which Metal Combination Gives Out the Most Voltage in a Solution Background Metals are an order of chemical elements in the periodic table. They are arranged in atomic number. All of them are solid (apart from mercury), good thermal and electrical conductors and are shiny when polished. Metals and non - metals are separated in the table by a diagonal line. -------------------------------------------------------------------- The reactivity series is a table to show which metals are most reactive to the least reactive....   [tags: Papers] 919 words
(2.6 pages)
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Expansion and Contraction of Materials - Expansion and Contraction of Materials When most materials are heated they expand and this increase their volume. One example of expansion is the fitting of the starter ring gear to the flywheel. The gear is heated until it expands sufficiently to pass over the rim of the flywheel, and when it is cool the gear tries to return to its original size, this gripping the flywheel with considerable force. All metals do not expand equally when heated through the same range of temperature, e.g. aluminium alloy expands more than cast iron; copper and brass expand more than mild steel....   [tags: Papers] 902 words
(2.6 pages)
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Heat Energy Investigation - Heat Energy Investigation In this experiment we will as accurately as possible measure the voltage, current, time, start temperature, final temperature and the mass of 7 different substances. We will measure the voltage to make the experiment more accurate, we will do this by making sure that every time we do an experiment we will keep the volts to 12v and nothing else, as this could affect the overall result. It is also needed as part of an equation that will be done later on....   [tags: Papers] 1170 words
(3.3 pages)
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Rocks and the Earth - Rocks and the Earth There are 3 main types of rock . These are sedimentary , metamorphic and igneous . Igneous rocks are formed by molten lava escaping from the mantle and cooling down to form solid , crystalline rock. The faster the new rock cools the smaller the crystals in the rock are. Eg Granite Sedimentary rocks are made when small chippings of rock accumulate on the seabed and are crushed together over thousands of years. These chippings are worn from rocks by wind, rain and ice , this is called erosion or weathering....   [tags: Papers] 728 words
(2.1 pages)
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Radioactivity Experiments - Radioactivity Experiments Aim: To determine the penetrating power and the range in air of the three radioactive emissions alpha, beta and gamma. Apparatus: * gm tube, * clamp stand, * the counter thing, * ruler, * set-square Method of penetrating power of Alpha particles, Beta particles & Gamma Rays: The equipment was set up as shown below to measure the penetrating power of each radioactive source. Geiger-Muller Tube Again the measurements were taken without the absorber to measure background radiation....   [tags: Papers] 948 words
(2.7 pages)
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Corporate Strategy - External Environment The various factors and systems that surround a business, and do not constitute the operation of the business, are regarded as components of the external environment for the business. These systems and factors have a very great potential of influencing and affecting the business activities (The External Environment). The constituents of the external environment include: the business competitors, the prevailing economic status of the country the business is located in, the existing surrounding social system, the dynamics of political or legal components in the country, and the existing monetary system of the country....   [tags: Business Analysis ]
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(4.3 pages)
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Technical Report The Construction of Alloy Wheels - Technical Report The Construction of Alloy Wheels Introduction Aluminium alloy wheels are now used in all branches of Motor Racing, ranging from Touring cars and Rally cars to Formula One cars. The Alloy wheels offer far superior mechanical properties than the conventional steel wheels formerly used. These benefits include reduced un-sprung weight, i.e. not held by the suspension, providing more precise steering input and improved responsiveness. Alloy wheels also improve acceleration and braking due to the reduction of weight....   [tags: Design and Technology]
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(6 pages)
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The Problem of Acid Rain - The Problem of Acid Rain WHAT CAUSES ACID RAIN When power stations, factories, houses and cars release pollution into the air it has chemicals in it called sulphur dioxide and nitrogen oxides. SULPHUR DIOXIDE: Man-made sulphur dioxide comes mainly from burning fossils fuels in power stations. It then mixes with water in the atmosphere to make sulphuric acid, which will later fall as acid rain. NITROGEN OXIDES: Nitrogen oxides are also man-made and mainly come from car exhausts....   [tags: Papers] 859 words
(2.5 pages)
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The Content of Two Antacids - The purpose of this experiment is to investigate and compare the basic content of two antacids and also compare the prices and thus decide which antacid is more cost effective. This experiment is not hugely significant to the wider scientific community however it can help an uninformed consumer purchase a more cost effective antacid and understand how antacids work. The method used in this experiment is called a back titration. This involves adding HCl to an antacid tablet until an excess of HCl is reached and then titrating that solution against a 0.1mol NaOH solution....   [tags: Antacids, science experiments, ] 2178 words
(6.2 pages)
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Monopolies that make super normal profits aren’t in the public - Monopolies that make super normal profits aren’t in the public interest because they could charge a lower price than they do. Introduction: Monopoly is an emotive word, and the immediate reaction is that it should be replaced with competition. In this investigation we are going to look at what is a monopoly, what are barriers to entry and what types of barriers there are, what are normal and supernormal profits and to they bear any benefits to the public. What is a monopoly. Monopoly is a market situation in which there is a single seller of a product and there are no close substitutes of this product in the market....   [tags: Business and Management Studies] 1153 words
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Turning a Mild Steel Bar - TASK: Turning a Mild Steel Bar.We were each given a mild steel bar to work into the shape shown in the drawing found on the following pages, TURNING TASK: Turning a Mild Steel Bar. We were each given a mild steel bar to work into the shape shown in the drawing found on the following pages, to do this we used the Turning Lathe in the workshop, but before we could start some measurements had to be taken. This meant using a micrometer to determine the diameter of the bar to begin with. A micrometer allows a measurement of the size of a body....   [tags: Design and Technology] 2186 words
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advantages and disadvantages of vertical integration - ADVANTAGES OF VERTICAL INTEGRATION It leads to reduction of transportation costs as the common ownership results in closer geographic proximity. The transaction costs can be controlled if a firm acquires the other firms in the vertical chain, then one division of the same company will transfer goods to other divisions. So, transaction costs in form of transport, cost of negotiation, cost of control etc. will be eliminated. The overall average cost of the firm will decrease because if the divisions are under same management control then there will be in house supply and departmental heads will determine the transfer price....   [tags: essays research papers] 1124 words
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I Love Electronics - I Love Electronics I have been interested in electronics since I was a child. At the age 5 I made a plug of aluminium foil and I put it in the electrical wall socket. To my surprise I got an electric shock, the wall and socket consequently became blackened, we had no electricity for the rest of the day (I wasn't at all very popular). Following on from this incident, I was often found sitting by the side of the blackened socket looking at it and thinking. I never did try to make another aluminium foil plug....   [tags: College Admissions Essays] 359 words
(1 pages)
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Beta Particles - Aim: I will investigate how the field strength varies the deflection of Beta Particles. Preliminary Work I started my preliminary work because, when I started my measurements using 2 coils used in experiments to deflect electrons from and electron gun. While testing for the deflection of beta particles, I found that beta radiation was scattered in a very large cone, I can not get any readings with amount of beta radiation scattering. So I would have to construct some type of shielding for this investigation, this is so I can measure the deflection more easily....   [tags: essays research papers] 2191 words
(6.3 pages)
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Frank J. Horgan Filtration Plant - Frank J. Horgan Filtration Plant Introduction The Frank J. Horgan Filtration Plant is located Southeast of Toronto on the shores of Lake Ontario (See map). Its purpose is to provide safe drinking water to our taps by filtering the water. The water is gathered from Lake Ontario. This plant has a production capacity of 455 million litres per day to supply the residents of Toronto with drinking water. Its average production of drinking water is 355 million litres per day. It is also the newest filtration plant in Toronto....   [tags: essays research papers] 1143 words
(3.3 pages)
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The Age of Discovery of Elements - The Age of Discovery of Elements "The nineteenth century was the golden age for the discovery of elements. Scientists began to look for patterns of behaviour between elements."*1 Johann Döbereiner, a German chemist, was the first to attempt to categorise the elements. He used their atomic weights, which we now know as atomic masses. In 1863, John Newlands, produced something that he called the 'Law of Octaves'....   [tags: Papers] 879 words
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Exploring the Role of Chemists - Exploring the Role of Chemists It was Lavoisier who divided the few elements known in the 1700's into four classes, and then John Dalton made atoms even more convincing, suggesting that the mass of an atom was it's most important property. In the nineteenth century Johann Döbereiner was the first to attempt to classify elements using their relative atomic mass. He also identified a number of ‘triads’ in the list of elements then known. Each triad was a set of 3 elements that have similar properties (e.g....   [tags: Papers] 647 words
(1.8 pages)
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The Uses and Significance of Group Two Compounds - The Uses and Significance of Group Two Compounds The group two elements consist of Beryllium, Magnesium, Calcium, Strontium, Barium and Radium. These are known as the ‘Group Two elements’ because of their unique electron division. Each one of these elements, consists of two outer shell electrons. Because of the lack of outer electrons, these elements are highly reactive. Group two electrons have a positive Two charge or +ve. The Group 2 elements are all metals with a shiny, silvery-white colour....   [tags: Papers] 736 words
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Bases and Alkalis - Bases and Alkalis A base is a compound that reacts with and neutralises an acid. The reaction forms a salt plus water. Alkalis are a type of base - ones that dissolve in water. Alkalis are compounds that react and neutralise acids. Like bases, they form a salt and water in the reaction. Alkalis turn red litmus indicator paper blue and they cause Universal Indicator paper to turn blue or purple. Alkaline solutions have a pH value greater than 7. Alkaline solutions feel soapy and are corrosive....   [tags: Papers] 601 words
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Corrosion - 1 INTRODUCTION Corrosion is a natural process, from which a modified material will either break down into a more basic state or be broken down (Gundiler et al, 2000). The process causes undesirable traits in the product which may range from a change in appearance to failure of structures. The effect of corrosion as addressed by Ahmad (2006) costs many billions to governments, as an outcomeindustry has developed many ways to combat corrosion. Combating corrosion can be done though two methods, by design and by inhibition....   [tags: Research Analysis] 1244 words
(3.6 pages)
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Acid Rain - INTRODUCTION The term acid rain refers to the process of deposition or precipitation of hydrogen ions with a pH value below 5.0, in the atmosphere. These acidic substances are produced by the pollutants on the earth that are airborne. These acidic precipitates will pour down as water droplets along with normal rain water whose pH lie between 5.0 and 5.6 creating hazardous effects on the living organisms of earth. HISTORY The cause of acid rain is mainly due to industrial pollutants. Acid rain was first reported during the Industrial Revolution in England in 1852.A Scottish chemist by name Robert Angus Smith discovered the same....   [tags: Environmental Science]
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Designer Charles Eames' Design Icon: The Eames Chair - The Eames chair designed by Charles Eames in 1955. Charles Eames was born in 1907 and dies in 1978, the Eames chair was named after the designer itself it took 80 years for prototype. Eames was best known as the designer responsible for many classic iconic designs of the 20th century, Eames was born in St Louis, Missouri and studied architecture at Washington University, he got married in 1941 and moved to California to set up a ground breaking design studio. The chair was design for exterior use however it became very popular as an office chair....   [tags: home decor, Designer, Charles Eames, Eames Chair, ] 465 words
(1.3 pages)
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Chemistry study - CHEMISTRY STUDY NOTES: Module 1: The Chemical Earth 1.1 Construct word and balanced formulae equations of chemical reactions as they are encountered. STEPS: 1. General equation 2. Word equation 3. Formula equation 4. Balanced equation 5. Ionic equation Neutralisation: 1. base + acid  salt + water 2. calcium hydroxide (aq) + hydrochloric acid (aq)  calcium chloride + water 3. _____________________________________________________ 4. _____________________________________________________ 5....   [tags: essays research papers] 1587 words
(4.5 pages)
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Resources and Development in an economy - Resources and Development in an economy Resources and Development a) Resources influence the structure and progress of an economy. If something is considered a resource it is potentially of economic benefit. However there are three differing types of resources, and it is the relative abundance of all these that dictates the economic structure. It is debatable whether the presence of one resource, e.g. Coal (a natural resource), leads in itself to economic sustainability and strength. There are human, capital and natural resources....   [tags: Economics] 1849 words
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Critical Analysis of Michael Landy's "Scrapheap Services" Three-Dimensional Sculpture - Michael Landy's "Scrapheap Services" is a 3D sculpture on display in the Tate Modern Gallery. It shows 3 men in boiler suits, their heads bent, as they are intent on their work in the disposing of `people who no longer play a useful role in society'. The room is scattered with little people cut out of discarded material such as aluminium cans, cigarette boxes and fast food wrappers. Uniformed mannequins are in the process of sweeping up the figures, gathering them into bins, and consigning them to a shredding machine called "The Vulture", as vultures clear aware rotten carcasses the machine will do similar....   [tags: Artists] 636 words
(1.8 pages)
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Lithography - Lithography This process uses a flat aluminium printing plate and works on the principle that oil and water do not mix. The image is transferred onto the plate photographically through ultra-violet light shining through a negative. The plate is then washed with a chemical that makes the image area attractive to the oily ink. The non-image area is later dampened with water to repel the ink. To lengthen the life of the printing plate and prevent the paper becoming damp through contact with the water, a rubber blanket transfers the ink from the plate to the paper....   [tags: Papers] 762 words
(2.2 pages)
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Business Plan - Business Plan My group and I are members of a small chemical company that are going in to business to produce Epsom salts. (Information on Epsom salts can be found in 'background information). Our company name is 'The Epsom Company'. In order to be the best company we have to ensure the Epsom salts we produce are a good quality. But despite this we are also looking to make a profit and so cost must be as limited as possible. We will need to pay strict attention to the cost of apparatus and equipment and aim to use a minimum amount of chemicals to produce the maximum amount of Epsom salts....   [tags: Papers] 3608 words
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Volume's Effect on a Copper Sulphate Solution - Volume's Effect on a Copper Sulphate Solution We are trying to find out if the current though a copper sulphate solutions volume is increased. To find this information out I shall perform an experiment using the following equipment; · 1 power pack · 1 beaker · 2 carbon rods for anode and cathode · 1 ammeter · 1 measuring cylinder · 2 crocodile clip wirers I shall also be using 60cm3 volume of copper sulphate in my preliminary results to decide upon the concentration of copper sulphate and the voltage I shall use....   [tags: Papers] 922 words
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Heating and Cooling Investigation - Heating and Cooling Investigation Aim- to find out if different sized cans affect the temperature of 140ml of boiled water, when they are left alone to cool. In this experiment, I will be using two different sized cans (one 12cm tall holding 330ml and another 9cm tall holding 150ml). I will be seeing if each can keeps the boiled water warm for a period of time and testing to find out which one is the best. Fair Test To make this a fair test, I will have to do many things. Firstly, I will use the same amount of water (140ml) at the same temperature, as it will have to start at the same temperature to keep it fair and also have the same amount of water to test on....   [tags: Papers] 541 words
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Investigating the Heat Capacity of Metals - Investigating the Heat Capacity of Metals Aim: My aim is to measure the specific heat capacity of 4 metals and find out if they all have the same specific heat capacity or different. Prediction: The specific heat capacity is the amount of heat energy needed to raise 1kg by 1 C and is measured in joules. My prediction is that the metal with the least massive atoms will heat up more quickly because they require less heat energy to make the molecules move around and heat up....   [tags: Papers] 982 words
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Enthalpy of Combustion of Alcohols - Enthalpy of Combustion of Alcohols Procedure 1. Put 150³ of cold water in an aluminium calorimeter and record its temperature. 2. Support the calorimeter over a spirit burner containing the ethanol you are going to burn. Arrange a suitable draft exclusion system to reduce heat loss. 3. Weigh the burner and Alcohol. 4. Replace the burner under the calorimeter and light the wick. 5. Stir the water with a thermometer. 6. When the water temperature has risen by between 15 and 20ºC extinguish the burner but continue to stir it until the temperature stops rising....   [tags: Papers] 1428 words
(4.1 pages)
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Investigating the Thermal Decomposition Of Metal Carbonates - Investigating the Thermal Decomposition Of Metal Carbonates Aim: To investigate a range of metal carbonates and see if they thermally decompose. Thermal Decomposition INVESTIGATION [IMAGE] ------- Written By Tauqir Sharif ------------------------ Research: When a metal is thermally decomposed the bond between the metal and its carbonate (carbon and oxygen) is removed and the carbonate is released as carbon dioxide. Metal Carbonate = Metal Oxide + Carbon Dioxide Malachite is an ore of copper....   [tags: Papers] 2469 words
(7.1 pages)
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Resistance Investigation - Resistance Investigation Introduction Electricity is something we have all around us every day but we never really think about it, even though it is such an important part of ours life’s. What is electricity. Before investigating the resistance of different metals it is important to understand the principal of electricity. Electricity is formed by the movement or flow of electrons being attracted away from their atoms by an applied force. This is easier to do with the some elements than with others....   [tags: Papers] 2039 words
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Japan - Breif History from WWII - Japan - Breif History from WWII INTRODUTION: Without a good history, no nation can ever be considered developed. It is the history that makes or breaks a country. Japans history is very unique. During and after WWII their country was in ruins - literally. All their previous allies had deserted them, they were alone and destroyed by the Americans, an unlikely ally. I will focus on the impacts that America had on Japan, and then how Japan got themselves to the title of "The Second Most Developed Country"....   [tags: Japanese Japan History] 461 words
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Car And Bicycle Brakes - Caliper Brakes Effectiveness: good mechanical advantage as it allows the operator to brake with little effort on the hydraulic lever, which needs to be squeezed. Material: Calipers are fixed mount, opposed piston calipers cast from aluminium alloy. Calipers are the hydraulic clamp portion of the disc braking system. Manufactured from either ferrous or non-ferrous materials and bolted firmly to the suspension upright(or knuckle) the caliper holds the pads in place and, through the action hydraulic pistons actuated by the master cylinder, force them against the rotating surface of the disc when pressure is applied to the brake pedal....   [tags: essays research papers] 377 words
(1.1 pages)
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Scale of Production of Signs - Scale of Production of Signs This sign is an example of a mass produced, cheap manufacturing cost sign. The reason for this sign being cheap to manufacture is that the sign is made out of steel or aluminium and also may have either a reflective vinyl for those used at night. This sign may also have a high-density PVC backing to it as it is a lightweight plastic that can provide a number of colours and is relatively cheap. This sign would need to be mass produced as this sign is very common and not very large....   [tags: Papers] 385 words
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The Success of Directing Roots and Water: Blessing - The Success of Directing Roots and Water: Blessing The film begins with a view of the cracked, red, hard earth. The area is barren, still and quiet. Then a clay pot falls from above, cracking as it meets the ground. This imagery and the sudden harsh sound of the breaking pot help reflect the pain and harsh reality of their situation in the first two lines of the poem, “The skin cracks like a pod. There never is enough water.” The word “cracks” in the poem is onomatopoeia, this sound is then carried through into the film to put forward the same effect which is done successfully....   [tags: Papers] 409 words
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Uses of Nuclear Radiation - Uses of nuclear radiation Smoke Detectors Smoke alarms contain a weak source made of Americium-241.Alpha particles are emitted from here, which ionise the air, so that the air conducts electricity and a small current flows. If smoke enters the alarm, this absorbs the particles, the current reduces, and the alarm sounds. Thickness Control In paper mills, the thickness of the paper can be controlled by measuring how much beta radiation passes through the paper to a Geiger counter. The counter controls the pressure of the rollers to give the correct thickness....   [tags: essays research papers] 456 words
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Exploring the Popularity of Non Stick Frying Pans - Non-stick frying pans are one of the most common kitchen utensils today. Frying pan is mostly used for cooking. The non stick frying pans are made of two components, the metal body and the Non Stick layer. Actually the surface of the non stick frying pan is coated with a layer of oil or fat when the pan is in use. The layer of oil has four functions: it lubricates the surface; increases contact between the food and the pan; acts as a thermal mass to reduce the cooking time; and can be increases flavor and color....   [tags: environment, nutrition, health, PTFE]
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Business Profile: R.K. Trading Co. - We are one of the leading manufacturers and suppliers of a wide range of Electrical Contacts for Starter and O.C.B. Carbon Brush, Brush Holder and Slip Ring Unit.// change sequencing, same as about us// Our range is acknowledged for optimum quality, efficiency and durability. We are counted as a prominent manufacturer and supplier of a comprehensive range of Electrical Contacts for Starters, O.C.B. Contacts, Carbon Brushes, Brush Holders, Slip Ring Unit and Flexible Cable. Moreover, we are also a stockist of Relay, Timers, PVC Cables, Copper Wire and Aluminum Wire....   [tags: Business Profile] 2279 words
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Exploring the State of Akwa Ibom in Nigeria - HISTORY The collective yearnings and expectation of Akwa Ibom people for a State of their own had been long and persistent. Predating the independence of our country, the struggle for geo-political identity for the area and its people had suffered twist and turns along the pathway. But buoyed by the justness of their cause, the people persisted until their erstwhile remote dream became a reality when, on September 23, 1987, Akwa Ibom State came into being as Nigeria’s 21st State out of the former Cross River State....   [tags: research paper, africa, african history] 1654 words
(4.7 pages)
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Using Windmills to Create Energy - Windmills have been around for hundreds of years, but it is only recently that they have been used purely to produce energy; in the past the energy was solely used in food production. Nowadays the energy is channelled off and used for electricity. I personally feel that wind farms are a great idea and that more should be built. Unfortunately, many people see them as pointless and grotesque, but others, like me, see the true greatness of these structures. It is also believed that the farms help reduce global warming, as the windmills do not burn any fuel or emit any gases....   [tags: windmills, energy, UK, ] 910 words
(2.6 pages)
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Effect of Environment Upon the Culture in "Blessing" and "Night of the Scorpion" - Does the environment have an effect upon culture in the poems “Blessing” by Imtiaz Dharker and “Night of the Scorpion” by Nissim Ezekiel. Consider the attitudes of the poets towards both the environment and the culture of the scenes they observe. India; one place; many cultures. Two poems describing two cultures with the effect affected by the environment. I will be investigating the poems “Blessing” by Imtiaz Dharker and “Night of the Scorpion” by Nissim Ezekiel and how the environment of the country affects the writing of the poems....   [tags: Poetry Analysis] 2426 words
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Ken Kirkpatrick: A Stalwart of New Zealand Food - Ken Kirkpatrick is a stalwart of the New Zealand food (particularly dairy) industry and has a long and exceptional record of service in scientific, technical, marketing and managerial roles. Ken was dux of Gore High School where he excelled in scientific, language and cultural subjects. He graduated from Canterbury University BE (Chem Eng) (Hons) in 1963 and, with the help of a NZ Dairy Research Institute (NZDRI) scholarship, completed his PhD in the electrochemistry of aluminium under the supervision of Prof Tom Hagyard....   [tags: Biography] 1096 words
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Crude Oil and Hydrocarbons - Crude Oil and Hydrocarbons Petroleum, also known as crude oil is formed from fossilized remains of marine plants and animals that settled on the sea floor millions of years ago. Petroleum consists of a complex mixture of hydrocarbons molecules including parrafins, aromatics, napthenes/ cycloalkanes, alkenes and alkynes. Hydrocarbons are molecules that contain hydrogen and carbon atoms that form various structures from straight chains to branching chains and rings. Hydrocarbons with low molecular weights, such as propane (C3H8) are in a gaseous form....   [tags: Environment, fossil fuels]
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Analyse at Least Two Recently Proposed Solutions to the Problem of E-Waste in Order to Determine Which is the Most Effective - The XXI century is generally defined as the era of modern Information Technology (IT). In recent decades there has been a big step forward to the advanced technology and innovations. Everyday electronic equipment becomes obsolete because of an enormous stream of new and upgraded ones. It is an unstoppable process termed as progress, when new gadgets evolve and develop, old electronic appliances become useless and out of date. However, as modern technology develops and extends the amount of obsolete and discarded electronic equipment also known as e-waste (e-scrap) increases....   [tags: Information Technology ]
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Quality Management Systems - As said earlier, both ISO 14001 and ISO 9001 seem to overlap with each other in terms of their specifications. The ISO 9001 advocates more of quality standardisation in a company?s process which is reflected in ISO 14001 as well. The ISO 14001 can be used to develop Hart?s Strategies to offer companies environmental sustainability which would enable them to have a competitive advantage. The ISO 14001 standard advocates three principles for the companies: pollution prevention, continuous improvement and voluntary participation (Joaquín Cañón-de-Francia and Concepción Garcés-Ayerbe, 2009)....   [tags: Business Management ]
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What Is Art? - Throughout the art community, there are many different forms and techniques classed as art. In the recent attack on the Queensland Art Gallery (QAG), many of the public hastily judged the abstract art exhibition by stating ‘Abstract art is not really art’. Some of the reluctant public continue to say ‘Abstract painters are sloppy, reckless, renegades with no regard for rules for formalities.’ It is in my opinion that abstract art is can be classed as art because it incorporates the basic concepts and techniques of art....   [tags: Art Analysis ]
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zz - The historical nature of sports engineering is considered and an attempt for the recent popularity of sports engineering is given. The development of sports engineering in the 1990's is described and the interaction of technology and sport assessed with the conclusion that technology causes step jumps in performance while coaching, nutrition and training produces for larger increases in performance. The global sports engineering community is described and the size assessed as approximately 1000 researchers....   [tags: ] 1565 words
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The Impact of Biodiesel on Automotive Catalyst Performance - Stringent diesel emissions regulations around the world have put much pressure on the shoulders of manufactures to reduce the level of emissions entering the atmosphere from diesel engines. Much of the initial attempt to achieve this by the manufactures was by the substitution of biodiesel in place of the conventional petroleum diesel. In order to create a balance between the vehicle performance and the imposed emissions regulations, many manufacturers prefer to blend petroleum diesel with biodiesel in a proportion which is deemed suitable to run on their engines....   [tags: Energy, Diesel] 1259 words
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China's Presence in Africa - China’s Presence in Africa China has long been known as a nation that has been a part of every history of each country around the globe. The nation has been known as a friend to many especially in the field of trade and business. They have introduced Western nations to rare and exquisite Eastern culture, cuisine and resources only one can find in the region. For the Eastern nations it has worked with, it was the Chinese who have introduced Western merchandise and traditions. At present, the country is slowly becoming famous not only for its economic boom but also due to its rapidly increasing power of its influence in other countries....   [tags: Trade ] 2193 words
(6.3 pages)
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The Evolution Of Jet Engines - The Evolution of Jet Engines The jet engine is a complex propulsion device which draws in air by means of an intake, compresses it, heats it by means of an internal combustion engine, which when expelled it turns a turbine to produce thrust, resulting in a force sufficient enough to propell the aircraft in the opposite direction (Morgan 67). When the jet engine was thought of back in the 1920's the world never thought it would become a reality, but by 1941 the first successful jet flight was flown in England....   [tags: essays research papers] 626 words
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Ideas About Religion in Poetry - Ideas About Religion in Poetry Exploring the poems in cluster one I have discovered several references to God and human nature. Through the language displayed and emotions expressed I will now discuss various ideas about religion. The poem "Blessing" expresses the value of water as "the rush of fortune" and "silver crashes". It suggests the greatness of God since he provides water - "the voice of a kindly god". Water is seen to be a gift from God and the poets line, "roar of tongues", reminds us of this as it compares to the bible, "tongues of fire"....   [tags: Papers] 526 words
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Gego - Gego Gego moved on with her works: inventing, letting them grow and helping others, many others, to grow and expand their imagination which is what artwork is all about. Here she anchored her life, and accepted the need to find the meaning of life every day. According to the Chinese proverb: "Today is the future about which we were thinking yesterday." She began in many ways: founded a lamp and furniture manufacturing business, and prepared designs for architects. Finally, she produced work based on the adventure of the line in space....   [tags: Papers] 468 words
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Overcoming Pollution - Overcoming Pollution very efficiently transmitted through the generally stiff, metallic and therefore resonant structures. One common way of overcoming the considerable nuisance this can cause for the occupants is by absorbing the vibration and actually converting it to heat using viscoelastic polymer materials, typically based on polyurethanes or acrylics. Over the past 20 years, Swedish Acoustic Products -- Swedac -- has built a track record in overcoming noise and vibration problems using this basic technology....   [tags: Papers] 472 words
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Investigating Factors that Affect the Rate of Reaction - Investigating Factors that Affect the Rate of Reaction There are certain factors which affect the rates of reaction in an experiment. These factors are: · Pressure · Temperature · Concentration * Surface area / particle size and * The addition of a catalyst The factors that I will be concentrating on are temperature, concentration and surface area / particle size. Pressure Pressure influences the rate of reaction only when the reactants are in their gas phase....   [tags: Papers] 537 words
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Ingeniering - Decisión: ¿Eliminar por completo off-invoice promociones y utilizar presupuesto en promociones del tipo MDF. Off-Invoice: Método en el cual se le hacen descuentos temporales a distribuidores y retailers de Reynolds. Típicamente descuento de 10% de la lista normal de precios de RCM. Market Development Funds (MDF): Bajo este método el incentivo económico que se da al distribuidor o retailer, va dirigido a apoyar sus actividades de mercadeo de los productos de Reynolds. Típicamente consisten en reducciones del 10% del precio en vitrina más la actividades de mercadeo de apoyo (displays, publicidad en tiendas, fliers) Company and División History Reynolds Metal Company (RMC) es uno de los principales fabricantes mundiales de productos de aluminio y plástico....   [tags: Foreign Language Essays] 979 words
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Acid Mine Drainage - Acid Mine Drainage For hundreds, even thousands of years, human beings have mined for metals and stones, and with the advent of greater technology as well as greater needs, the demands for these resources continue to grow. While these resources benefit our lives in many ways, the effects of mining can be detrimental, and one such effect is the topic of this essay, acid mine drainage (A.M.D.). The causes of A.M.D. will be discussed, along with some of the physical and biological problems associated with it....   [tags: science]
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In this experiment I am going to investigate how different - In this experiment I am going to investigate how different concentrations of sucrose solution can alter the process of osmosis on a potato chip, and in what way it does this. Osmosis Aim: In this experiment I am going to investigate how different concentrations of sucrose solution can alter the process of osmosis on a potato chip, and in what way it does this. Prediction: I predict that due to osmosis and diffusion when there is a pure water solution the potato chip will swell as it absorbs the water to equalise....   [tags: Bilogy] 907 words
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88 Ways to Know Whether You Are Chinese - 88 Ways to Know Whether You Are Chinese ( BBS µµ°¸) 1. You look like you are 18. 2. You like to eat chicken feet. 3. You suck on fish heads and fish fins. 4. You have a Chinese knick-knack hanging on your rear view mirror. 5. You sing Karaoke. 6. Your house is covered with tile. 7. Your kitchen is covered by a sticky film of grease. 8. Your stove is covered with aluminium foil. 9. You leave the plastic covers on your remote control. 10. You've never kissed your mom or dad. 11. You've never hugged your mom or dad....   [tags: essays research papers] 1049 words
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Destruction of Rain Forest - “In every sense, a standing rain forest supplies more economic wealth than if it were cleared … yet deforestation continues at an alarming rate.” (Tropical Rain Forest Coalition, 1996). Rain Forests have played a significant role in shaping modern biology. The destruction of the rain forests will determine the fate of all species humans plants and animals. Many people do not understand the long- term consequences of losing the earth’s rain forests. They have provided all living beings with many natural resources and medicines....   [tags: essays research papers] 1192 words
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Ducati Strategic Analysis - Ducati Strategic Analysis EXCECUTIVE SUMMARY The economy has changed and we are living in the information era where customers are everyday more and more informed, more sophisticated, and more demanding. Ducati faces a great challenge which is the one to react to fast changes and to select the adequate strategies that will allow it to do so. Through our project we intend to analyse the current trends of the motorcycle industry, where it is heading and what place Ducati occupies in it. Once we understand the whole picture we will go in depth, analysing it and decomposing it into bits and pieces to better understand why it occupies this place, and what strategies it must take to maintain and improve its position and itself as a whole....   [tags: Business Management Strategy Essays Papers]
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Engineering Report - Whipper Snipper/lawn Trimmer - Whipper snipper/ Lawn Trimmer No one person or corporation is attributed with creating the lawn trimmer however the original lawn trimmers where developed from1968 to 1970. Prior to 1970, there were no line trimmers, as we know them today. Can you imagine edging sidewalks, driveways, parking lots and shrub beds with hand-held trimmers. Can you imagine how sore your back, arms and legs would be after a long day of pushing a manual edger along seemingly endless sidewalks and driveways. Can you imagine trimming any turf at all without a powered trimmer....   [tags: essays research papers fc]
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Innovative Waste Disposal - As humanity develops new technology, the magnitude and severity of waste increases. When computers were developed, it widely was believed that the need for paper would be eliminated. On the contrary this was widely proven false and we are now utilizing more paper than ever. Canada is not an exception as the typical Canadian generates an average of three pounds of solid waste each day1. This alone shows what a careless species we have become- using and disposing materials without even considering the damage we are causing....   [tags: essays research papers fc]
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