Answer:
you need to provide more information cause what exactly am i supposed to select from
Answer:
The fast carbon cycle is largely the movement of carbon through life forms on Earth, or the biosphere. ... During photosynthesis, plants absorb carbon dioxide and sunlight to create fuel—glucose and other sugars—for building plant structures. This process forms the foundation of the fast (biological) carbon cycle.
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Im going to have to go with C. they pass through channels in the cell membrane
Climate change is usually negative because if it dramatic it could kill most of species.