Multiple choice

What is the source of all energy on the earth?

  1. Plants

  2. Animals

  3. Sun

  4. Water

  5. Air
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The sun's energy is the primary source of energy for all surface phenomena and life on Earth. Combined with the material of the Earth, this energy provides for the immense diversity of life forms that are found on the Earth.

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