The most common way for air to be cooled in order that a cloud may form is by:
A)sinking and contracting.
B)emitting radiation.
C)evaporating water.
D)rising and expanding.
E)reflecting radiation.

Question

Quizplus · Accepted Answer

Air cools as it rises and expands, which can lead to the formation of clouds. This process is called adiabatic cooling. As air rises, it encounters lower atmospheric pressure, causing it to expand and cool. If the air becomes saturated with water vapor, clouds can form.

The Most Common Way for Air to Be Cooled in Order