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Biology, 19.10.2020 14:01 amourjenny
Humans are altering the carbon cycle by . (5 Points) killing off large numbers of animals, which reduces the amount of carbon in the system growing crops, which increases the amount of carbon in the system increasing their population, which reduces carbon dioxide from the atmosphere burning fossil fuels, which adds carbon dioxide to the atmosphere extracting fossil fuels from the ground, which removes carbon from the system
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