Multiple choice

Clouds usually form on the windward side because this is where air

  1. rises and cools.

  2. sinks and cools.

  3. rises and warms.

  4. sinks and warms.

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

As wind encounters a mountain range, it is forced upward on the windward side. As this air rises, it expands and cools adiabatically, leading to condensation and cloud formation when it reaches its dew point.