Multiple choice

Which of the following statements is/are true?

  1. Animals use air for respiration.

  2. Plants use air to prepare their food.

  3. Air helps in power generation by wind turbines.

  4. All of the above

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

Animals use air for respiration, plants use air for preparing their food and air helps in power generation by wind turbines.