Question

which process in the carbon cycle involves the release of carbon dioxide back into the atmosphere? combustion photosynthesis cellular respiration evaporation

Explanation:

Combustion burns carbon - containing fuels releasing carbon dioxide. Cellular respiration breaks down organic matter and releases carbon dioxide. Photosynthesis takes in carbon dioxide, and evaporation is a water - cycle process not related to carbon dioxide release in the carbon cycle.

Answer:

A. Combustion, C. Cellular respiration