Multiple choice

What process reduces the amount of carbon dioxide in the atmosphere?

  1. Photosynthesis

  2. Respiration

  3. Combustion

  4. Volcanic eruption

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

Photosynthesis is the process by which plants and algae absorb carbon dioxide from the atmosphere to produce glucose. Respiration and combustion release carbon dioxide into the atmosphere.