Hot air that is moving quickly towards the poles

attempting to balance the heat difference between the Equator and Poles.

Explanation:

Since the Sun is nearly overhead every day of the year, the area near the equator is very warm. ... It moves toward the North Pole or the South Pole, attempting to balance the heat difference between the Equator and Poles. If the Earth did not rotate, this air would flow directly to the North Pole or South Pole.

the telephone is the answer