Wednesday, May 19, 2010

Carbon


Carbon is the key element in all living things and is found almost everywhere. All living organisms have it and a lot of non living things also have carbon. Some examples are the atmosphere, some shells, and rocks. It also exists in fossil fuels, animals, and plants. How does carbon get there? Well there is this thing called the carbon cycle. The Carbon cycle starts in the atmosphere and is absorbed by plants in the form of carbon dioxide. Later, the plant is eaten by a primary consumer who gets that carbon from the plant. Finally, when the animal dies, it eventually gets turned into fossil fuels. These fuels are then burned to create energy and the carbon is released back into the atmosphere in the form of carbon dioxide. Carbon is also released into the air when you breath or from a fire.

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