Multiple choice general knowledge science & technology

What is Earth's primary source of energy?

  1. Wind

  2. Water

  3. Nuclear Energy

  4. Sun
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Sun is Earth's primary source of energy. It provides the light and heat that drives Earth's climate system, powers photosynthesis in plants, and is the ultimate source of almost all energy on Earth (fossil fuels, wind, and hydroelectric power all indirectly come from solar energy).

Keep practicing — related questions