Multiple choice

Which two processes drive the biological carbon cycle?

  1. Photosynthesis and Respiration

  2. Precipitation and Condensation

  3. Erosion and Uplift

  4. Digestion and Perspiration

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Photosynthesis removes carbon from the atmosphere, and respiration returns it. These two processes are the primary drivers of the short-term biological carbon cycle.