When two air masses collide at a front, one air mass may be pushed upward by the other. This is because ____.
A) one air mass is moving faster than the other
B) one air mass is denser than the other
C) pressure is falling in one air mass and rising in the other
D) one of the air masses encounters topographical features on the ground

Question

Quizplus · Accepted Answer

When two air masses collide, the denser air mass will typically push the less dense air mass upward as it is unable to displace it. This results in the development of a front, which can lead to precipitation and other weather-related phenomena.

When Two Air Masses Collide at a Front, One Air