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    The Story of Organic Matter Decay in Soils To most people, humus is a garlic-y chickpea spread for sandwiches or pita bread. However, to soil scientists, its something entirely different. Soil humus is a mixture of dark, colloidal organic compounds relatively resistant to decomposition. These compounds result from the decay of organic litter and accumulate in the O and A horizons of soils. Soil humus helps glue mineral particals into aggregates, giving structure to the soil and affecting soil

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    Radon

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    air. Some of the properties of this gas include being odorless, tasteless, and colorless. The concentrations vary throughout the country depending on the types of rocks that are found in the soil. Exposure over prolonged periods of time to radon decay products has been associated with an increased risk of lung cancer.(3) The EPA describes an elevated concentration as being at or above their suggested guidelines of 4pCi/l (pico Curies per liter, used as a radiation unit of measure for radon).

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    discussed and analyzed more often than others because of their prevalence and their threat to the health of the general public. The first carcinogen to look at is radon. Radon is a tasteless, colorless, odorless, carcinogenic gas produced by radioactive decay in uranium. It is the leading cause of lung cancer in non-smokers and is the second leading cause of lung cancer in smokers. Research shows

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    Mellor on the Chances of Effects

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    two unstable atoms A and B in close proximity, each of which has a low chance of decaying, and suppose that atom A, if it decays, may bombard atom B with its product, thereby driving atom B into a state in which its chance of decaying is quite high- much higher than otherwise (see figure 1). Suppose this in fact happens, and let us consider the chance E that atom B will decay at a later time tE, when an observation will be made. The chance of E changes—increases, in fact—at tb, the time at which

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    Drugs and Decay

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    Drugs and Decay Drugs and decay; Iran; Iran's losing fight against drugs. (International)(Brief Article) Full Text: COPYRIGHT 2001 Economist Newspaper Ltd. TABOO subjects, Muhammad Khatami has insisted, should be talked about. Before he was elected president in 1997, most Iranians were unaware of their high level of drug addiction. But now, thanks to press reports and unexpectedly lively debate, everyone knows that the country has about 2m opium and heroin addicts, and that the effects are tugging

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    Fossil Fuels

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    benefit the environment positively. The process of how fossil fuels are created is very interesting. It all starts with an animal or plant dieing. After it dies the remains are biological changed. It turns into bacterial decay and even underwater decay. From the decay it changes into Methane and Kerogen and Peat. Now it is ready to be composed. This happens through increase temperature and extensive chemical changes. During this stage the matter is underground. Finally after all is said

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    Imagery of Disease and Decay in Hamlet

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    Imagery of Disease and Decay in Hamlet William Shakespeare found that imagery was a useful tool to give his works greater impact and hidden meaning. In Hamlet, Shakespeare used imagery to present ideas about the atmosphere, Hamlet's character, and the major theme of the play. He used imagery of decay to give the reader a feel of the changing atmosphere. He used imagery of disease to hint how some of the different characters perceived Hamlet as he put on his "antic disposition". And finally,

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    Fluoride

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    is never encountered in its free state in nature. It exists only in combination with other elements as a fluoride compound. Fluoride is effective in preventing and reversing the early signs of tooth decay. Researchers have shown that there are several ways through which fluoride achieves its decay-preventive effects. It makes the tooth structure stronger, so teeth are more resistant to acid attacks. Acid is formed when the bacteria in plaque break down sugars and carbohydrates from the diet. Repeated

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    just. A man is just when he has a well ordered soul because then you will do the right thing by performing good and just actions. A soul must be allowed to perform its proper function. In a state you cannot define justice by a man because a man can decay into ugliness. Instead you must define justice based on forms. Plato says that the forms are eternal and ever lasting. What constitutes an unjust society is a lack of knowledge. So ignored to create a just society we must educate people. The society

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    Decay of the Roman Empire Edward Gibbon says the decay of Rome was inevitable. He writes that instead of inquiring why the Roman Empire was destroyed, it is surprising that it subsisted so long. Gibbons' argument comes down to four major arguments, divided into rulership, the abuse of Christianity, the expansion of the Barbarians, and finally the loss of the Roman military power. Edward Gibbon was one of the greatest English historians of the late 1700's. His father entered him in Magdalen College

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