Multiple choice

All of the following are ways to release carbon dioxide into the atmosphere, except:

  1. exhaling

  2. combustion

  3. decomposition

  4. photosynthesis

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

Photosynthesis is the process that consumes carbon dioxide to produce glucose, whereas exhaling, combustion, and decomposition all release carbon dioxide into the atmosphere.