It uses renewable natural resources. It is easily generated in most big cities. It can be generated from any area on Earth. It does not require special buildings or equipment.
I gave my students this multiple choice question: What is one of the major advantages of using hydroelectric power?

Only one answer is correct among these 4 choices:
- It uses renewable natural resources.
- It is easily generated in most big cities.
- It can be generated from any area on Earth.
- It does not require special buildings or equipment.

Could you tell me which one is correct?

It uses renewable natural resources.