What occurs when air is subjected to less pressure?
A) The air becomes compressed.
B) The air expands
C) The air rises in temperature.
D) The water vapor is able to condense.

Question

Quizplus · Accepted Answer

As air is subjected to less pressure, air expands. This expanded air is cooler than air that has been compressed. The cooling of air occurs at higher altitudes where less pressure is exerted on the air. Information can be found in the section The Atmosphere Is Composed Mainly of Nitrogen, Oxygen, and Water Vapor.

What Occurs When Air Is Subjected to Less Pressure