Why are high altitude clouds always so thin?
A) Air layers are stable there.
B) Not enough particulates are present.
C) Winds are faster at high levels.
D) Very little water vapor is present.
E) Air layers are unstable there.

Question

Quizplus · Accepted Answer

At high altitudes, the air contains very little water vapor, which is necessary for cloud formation. This scarcity of water vapor results in the formation of thinner clouds compared to those at lower altitudes where more water vapor is available.

Why Are High Altitude Clouds Always So Thin