How does the temperature of Earth's atmosphere vary with height over the range 0-80 km?
A) The temperature decreases, then increases, then decreases again.
B) The temperature rises steadily until it reaches a high and constant value above 80 km.
C) The temperature increases, then decreases, then increases again.
D) The temperature decreases steadily until it reaches a minimum at 80 km.

Question

Quizplus · Accepted Answer

The temperature of Earth's atmosphere over the range of 0-80 km first decreases with altitude in the troposphere, then increases in the stratosphere due to ozone absorption of ultraviolet radiation, decreases again in the mesosphere, and finally increases in the thermosphere.

How Does the Temperature of Earth's Atmosphere Vary with Height