WBCS.LIVE practice question

Which of the following is the primary source of energy for the Earth's ecosystem?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Tides
  2. Wind
  3. The Sun
  4. Volcanic heat

Correct answer and explanation

Correct answer: The Sun

Explanation: āœ… Correct Answer: C) The Sun šŸ“š Explanation: The Sun provides the solar radiation required for photosynthesis, which is the foundation of nearly all food chains on the planet. It also drives the Earth's weather patterns, ocean currents, and the hydrologic cycle. Without the continuous energy input from the Sun, life on Earth would eventually cease to exist as ecosystems ran out of usable energy.