Multiple choice

What is the source of all energy found in soil, plants, and animals?

  1. water

  2. sugar

  3. Sun

  4. vitamins
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Sun is the ultimate source of energy for almost all ecosystems on Earth, driving photosynthesis in plants, which then feeds animals and decomposes into the soil. Water, sugar, and vitamins are essential components of life, but they do not serve as the primary source of all ecosystem energy.

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