Question

A weather front occurs when two air masses of differing temperatures meet. When a cold air mass meets a warm air mass, for example, what will happen to the warm air?
A.
It will sink.
B.
Nothing will happen.
C.
It will reverse directions.
D.
It will rise.

Answer 1

When a cold air mass meets a warm air mass, the warm air is less dense than the cold air. As a result, the warm air will rise. Therefore, the correct answer is:

D. It will rise.