Atmosphere Review

Match it! Select the correct answer from the pull down...Good luck!

The warmest layer of the atmosphere is the

The stratosphere helps protect Earth from too much ultraviolet radiation because this layer of the atmosphere contains

The amount of mass in a given volume of a substance is its

As the density of air decreases, its pressure

The layer of the atmosphere that reflects radio waves is the

Air pressure is measured in

A gas in the atmosphere that varies between zero and five percent in different places is

The percentage of oxygen in the atmosphere is