What happens to the density of air with increasing elevation in the atmosphere?
A) It increases
B) It decreases
C) It stays the same

Question

Quizplus · Accepted Answer

Density is mass per unit volume. As you go up in the atmosphere, the air becomes less dense because there is less mass per unit volume. This is because the air pressure decreases with increasing elevation, which means that there are fewer air molecules per unit volume.

What Happens to the Density of Air with Increasing Elevation