The Planet Of The Earth Essay

The Planet Of The Earth Essay

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The universe is a vast, mysterious place filled with an estimated one hundred billion galaxies, within each galaxy, there are one hundred billion stars, and an estimated 〖10〗^24 planets. The Milky Way galaxy contains eight planets, one of them is the complex Earth. Earth is a rich planet containing things such as icy mountain peaks, steep canyons, lava, and towering waterfalls. All these things are what make it possible for our planet to sustain all of its beautiful life from the numerous plant and animal species. The Earth’s processes are crucial for the human species to know in order to protect it from the harsh chemicals and pollutants that are emitted into the atmosphere. There is only one Earth, so humans must protect it and to protect it you must have an understanding of how it works and its history.
The Earth is thought to have been formed around 4.6 billion years ago, by accretion from the solar nebula (2). The atmosphere at this time was very toxic, due to the limited amount of oxygen. Also, the surface of the Earth was mostly made out of molten lava due to frequent collisions with other bodies, which lead to extreme volcanism. (2) The earth cooled over time, which allowed for a solid crust and for liquid water to exist on its surface. Around one billion years after the formation of Earth is when life began, during the Eoarchean Era. The only living things at this time were microorganisms. Evidence from fossils of life from 3.5 million years ago, tell us that these were the first living specimens on our planet.
The strata of sedimentary rock allows geologists to discover much about earths geological past, including what the climate was like and what kind of living organisms were inhabiting our planet at the t...


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...ms form when continuous warm humid air rises when in an unstable environment. Tornadoes are formed when there is a rotation vortex of air, and these cause many fatalities. Hurricanes can only form over warm bodies of water, usually in the tropics.
All the processes of our earth, both negative and positive play a crucial role in stabilizing the environment that allows our planet to be able to sustain life. Earth Science is important and gives individuals knowledge on how important the processes are to our environment. It also shows that one little change can have a drastic effect not only on our environment, but also on everything that lives within it. The more individuals that are aware of how such small changes such as the one degree increase in temperature affect life on our planet, the more of a chance our species have at protecting it from human destruction.

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