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Ksivusya [100]
4 years ago
7

I really don’t know the top half so if you can’t answer all just answer them.

Biology
1 answer:
galina1969 [7]4 years ago
7 0
1. The sun or heat
2. It becomes Runoff
3. Animals breath in oxygen and release carbon.
4. It makes nitrogen available to other organisms
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sources: sciencedirect

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Jeff’s drug addiction to cocaine occurred because cocaine overstimulated the reward system in his brain and disturbed the functi
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