Asked by king

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.
photosynthesis
B.
dissolution of carbon dioxide in water
C.
respiration of plants and animals
D.
all of these

All Answers 1

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

Photosynthesis removes CO2 from the atmosphere, and dissolution is CO2 entering water; respiration (and decomposition/combustion) releases carbon dioxide back into the atmosphere.