Physics
Grade-8
Easy

Question

A sound is produced when birds _____.

  1. Flap their wings
  2. Chirp
  3. Pick the grains up
  4. All of the above

hintHint:

The birds make sounds by various body actions such as flapping their wings, chirping, and picking the grains.

The correct answer is: All of the above


    A sound is produced when birds flap their wings, chirp, and pick the grains. i.e.all of the above
    • The birds can produce sound through various body actions.
    • Flapping their wings, chirping, and picking the grains are the actions that make sounds like birds.