Multiple choice

What are some advantages of hydro-electric energy?

  1. Water is "free"

  2. Does not produce greenhouse gases

  3. Is renewable

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Hydro-electric energy is considered renewable, does not emit greenhouse gases during operation, and uses water as its primary fuel source, which is effectively free once the infrastructure is built.

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