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The geological carbon cycle takes place over hundreds of millions of years and involves the cycling of carbon through the various layers of the Earth. The biological/physical carbon cycle occurs over ... The Carbon Cycle Game; This activity used to explain the carbon cycle is intended for the advanced high school level.
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The concentration of carbon in living matter (18%) is almost 100 times greater than its concentration in the earth (0.19%). So living things extract carbon from their nonliving environment. For life to continue, this carbon must be recycled. ... The cycle in not in balance...
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