A cold air mass moving into an area occupied by relatively warm air is called a(n):
A) cold front.
B) high pressure system.
C) low pressure system.
D) occluded front.
E) warm front.

Question

Quizplus · Accepted Answer

A cold air mass moving into an area of warm air creates a boundary between the two air masses, known as a cold front. The cool air acts as a bulldozer, pushing the warm air upward and creating clouds and precipitation.

A Cold Air Mass Moving into an Area Occupied by Relatively