A high pressure area develops. The sea level rises on the coast. The winds start to spin clockwise. The supply of warm, moist air decreases.
I gave my students this multiple choice question: Which statement best explains why the force of a hurricane diminishes as the hurricane moves over land?

Only one answer is correct among these 4 choices:
- A high pressure area develops.
- The sea level rises on the coast.
- The winds start to spin clockwise.
- The supply of warm, moist air decreases.

Could you tell me which one is correct?

The supply of warm, moist air decreases.