The lowest temperature in Earth's atmosphere occurs at an altitude of about
A) 80 km.
B) 50 km.
C) 10 km.
D) 0 km (the surface of Earth).

Question

Quizplus · Accepted Answer

The lowest temperature in Earth's atmosphere occurs at the mesopause, which is at an altitude of about 80 km. This region marks the boundary between the mesosphere and the thermosphere above it, where temperature starts increasing again.

The Lowest Temperature in Earth's Atmosphere Occurs at an Altitude