Why do clouds form?
A) Tiny raindrops collide with each other due to winds blowing in the upper atmosphere.
B) The relative humidity of air gets high enough so that water vapor condenses to tiny water droplets.
C) Water vapor heats up making steam.
D) Snowflakes descend from very high in the atmosphere and are visible as clouds.

Question

Quizplus · Accepted Answer

Clouds form when the relative humidity of air gets high enough so that water vapor condenses to tiny water droplets.

Why Do Clouds Form