Given the relationship between altitude and atmospheric pressure, the pressure at 20 kilometers above the surface is ________.
A) almost the same as it is at the surface
B) too high for humans
C) tiny, compared to sea level
D) about three-quarters that of sea level
E) barely high enough for humans to breathe

Question

Quizplus · Accepted Answer

Atmospheric pressure decreases as altitude increases. Therefore, the pressure at 20 kilometers above the surface is tiny compared to sea level.

Given the Relationship Between Altitude and Atmospheric Pressure, the Pressure