What is the main cause of Earth's global winds?

Answer options with 4 options
A.
The equator receives more direct incoming solar radiation than the poles.

B.
The depletion of the ozone layer causes more UV radiation to escape from Earth.

C.
The air, water, and sand on Earth are evenly heated at the equator and the poles.

D.
The average kinetic energy of air molecules decreases when solar radiation is received.

A. The equator receives more direct incoming solar radiation than the poles.