As a general rule, friction is greatest ________.
A) near Earth's surface
B) at jet stream altitudes
C) near the poles
D) near the Equator
E) in the middle latitudes

Question

Quizplus · Accepted Answer

Friction is greatest near Earth's surface because there is more contact between the air and the surface, whereas at higher altitudes and in polar regions there is less contact and therefore less friction. The jet stream, while powerful, is located at high altitudes and experiences less friction than near the surface. The Equator and middle latitudes also have less friction due to the lack of contact with the surface.

As a General Rule, Friction Is Greatest ________