Multiple choice

Frictional force affects the

a. speed of wind b. direction of wind c. pressure belts

  1. a only

  2. b only

  3. c only

  4. a and b

  5. b and c

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct answer as frictional force affects the speed of wind. It is greatest at the surface.