Oil, because it is found underground. Wind, because it is always available. Water, because it is becoming scarce. Coal, because it was formed from plants.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which statement identifies an energy source as renewable?
Possibilities:
- Oil, because it is found underground.
- Wind, because it is always available.
- Water, because it is becoming scarce.
- Coal, because it was formed from plants.

Wind, because it is always available.