science
Grade-5
Easy

Question

The main source of energy is

  1. Moon
  2. Fire
  3. Food
  4. Sun

hintHint:

The main source of energy is the sun.

The correct answer is: Sun


    Sun is the ultimate energy source because all renewable and non-renewable sources are ultimately derived from the sun. Sun gives energy in form of heat and light.

    We get solar energy which can be put to many uses. 

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