Question

Water vapor in the air forms clouds because the air can no longer hold the water vapor as it _____.

A.falls
B.cools
C.warms
D.evaporates

Answer 1

The answer is; B

As air cools, its capacity to hold moisture reduces. This is is why as warm humid air cools, it reaches a saturation point, and the water moisture begins to form droplets. These droplets form clouds in the atmosphere.