If one portion of the atmosphere becomes warmer than surrounding air:
A) the warm air contracts and falls.
B) a high pressure forms.
C) clouds disappear.
D) the warm air expands and rises.

Question

Quizplus · Accepted Answer

When a portion of the atmosphere becomes warmer than the surrounding air, the warm air expands and becomes less dense than the surrounding air. This causes the warm air to rise, which can lead to the formation of clouds and the development of low-pressure systems.

If One Portion of the Atmosphere Becomes Warmer Than Surrounding