Multiple choice

Which of the following is a non-renewable energy source?

  1. sunlight

  2. waves

  3. wind

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

Coal is a fossil fuel that takes millions of years to form from ancient organic matter, meaning it cannot be replenished within a human lifespan once consumed. Sunlight, waves, and wind are renewable resources because they are continuously replenished by natural processes.

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