Clouds continually are pulled to the ground by gravity. Why do they stay aloft?
A)Clouds weigh so little that they fall too slowly to be noticed.
B)Water evaporating from Earth's surface presents an opposing force to the falling cloud droplets.
C)New cloud droplets continually replace those that fall to Earth's surface.
D)Updrafts of air oppose the gravitational force.

Question

Quizplus · Accepted Answer

Updrafts of air provide the lift needed to counteract the force of gravity, allowing clouds to remain suspended in the atmosphere.

Clouds Continually Are Pulled to the Ground by Gravity