The carbon cycle has 2 different kinds of processes. Each process either adds ____ or subtracts it from the atmosphere. (1 point) Responses A. carbon monoxide, CO A. carbon monoxide, CO B. carbon-14 B. carbon-14 C. carbonated water, H₂CO₃ C. carbonated water, H₂CO₃ D. carbon dioxide, CO₂

Answer 1

The correct answer is D. carbon dioxide, CO₂.

In the carbon cycle, various processes either add carbon dioxide (CO₂) to the atmosphere (such as respiration, combustion, and decomposition) or subtract it from the atmosphere (such as photosynthesis and absorption by oceans).