Multiple Choice
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.
Correct Answer:
Verified
Correct Answer:
Verified
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