Another oddly specific question r. What causes the difference in air pressure around the Earth? A. The warm air sinks at the poles and cold air rises at the equator.

B.
The warm air rises at the equator and cold air rises at the poles.

C.
The warm air sinks at the equator and cold air rises at the poles.

D.
The warm air rises at the equator and cold air sinks at the poles.