The stratosphere warms because of:
A) dust and dirt deposited by volcanoes.
B) the interaction of ozone and ultraviolet light.
C) the injection of moisture by meteors.
D) the injection of moisture by high-flying jet aircraft.
Question 2
The region of the earth's atmosphere below 80 km is called:
A) the stratosphere.
B) upper hemisphere.
C) the alpha quadrant.
D) the homosphere.