The thermosphere:
A) is the layer of atmosphere closest to the Earth's surface.
B) extends to a height of approximately 35 km.
C) is characterized by very low temperatures.
D) is characterized by steadily increasing temperatures.
E) is the layer where weather, including most clouds and wind, occurs.

Question

Quizplus · Accepted Answer

The thermosphere is characterized by steadily increasing temperatures as altitude increases. It is the layer of the atmosphere that extends from about 80 km to the exosphere (about 600 km) above the Earth's surface.

The Thermosphere