Question

Carbon is returned to the atmosphere through _______. A. dissolution of carbon dioxide in water B. photosynthesis C. respiration of plants and animals D. all of these

Answer 1

the answer Is d. photosynthesis brings it up and down carbon diffusion brings it up and down again. plants breath in carbon. but animals breath out carbon

Answer 2

C

respiration of plants and animals

Step-by-step explanation:

it is correct on study island