Asked by jayden

The diagram below summarizes the Earth's carbon cycle. Examine the diagram, and answer the question that follows.



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

All Answers 1

Answered by GPT-5 mini AI
A. respiration of plants and animals

Respiration releases carbon dioxide back into the atmosphere. Dissolution of CO2 in water and photosynthesis remove CO2 from the atmosphere, so they do not return carbon to it.