Wind turbines are efficient only in certain areas. Wind turbines occupy a small area of land. Wind turbines produce a large amount of energy. Wind turbines create a large amount of pollution.
I gave my students this multiple choice question: Which is a problem with using wind turbines to produce energy?

Only one answer is correct among these 4 choices:
- Wind turbines are efficient only in certain areas.
- Wind turbines occupy a small area of land.
- Wind turbines produce a large amount of energy.
- Wind turbines create a large amount of pollution.

Could you tell me which one is correct?

Wind turbines are efficient only in certain areas.