Multiple choice

Which of the following processes is responsible for the release of carbon dioxide by animals and humans in the atmosphere?

  1. Respiration

  2. Hibernation

  3. Photosynthesis

  4. Transpiration

  5. Reproduction

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

This is the correct answer. Animals and humans release carbon dioxide and breathe in oxygen during the process of respiration.