Smoke released from a stack into a very stable air mass would tend to:
A) spread out horizontally but not mix up or down.
B) mix rapidly downward.
C) mix both upward and downward.
D) go almost straight up.
E) diffuse rapidly in all directions.

Question

Quizplus · Accepted Answer

In a very stable air mass, the atmospheric conditions discourage vertical movement, causing pollutants like smoke to spread out horizontally rather than mixing upwards or downwards.

Smoke Released from a Stack into a Very Stable Air