science
Grade-3
Easy

Question

Which of the following is needed to breathe for living organisms?

  1. Water
  2. Sunlight
    • Air
  3. Food

hintHint:

All living things require air to breathe. 

The correct answer is:
  • Air


    • The air's oxygen is essential for breathing by animals.
    • We breathe in oxygen, which travels to our lungs.
    • Air is something we can sense but not see.