Atmosphere

Front

The Earth's atmosphere is mainly made of

Back

air

Front

The layer of atmosphere closest to the Earth is called the

Back

troposphere

Front

Air in the atmosphere is 78%

Back

nitrogen

Front

Most of the atmosphere is composed of the following gas: nitrogen, oxygen, carbon dioxide, argon, flatulence.

Back

nitrogen

Front

Oxygen is the most common gas in the atmosphere.

Back

False

Front

The atmosphere is a mixture of gases.

Back

True

Front

The atmosphere is 21%

Back

oxygen

Front

The stratosphere is located between

Back

troposphere and mesosphere

Front

Altitude is the 

Back

height of an object above the ground or sea level

Front

air pressure is the ________ that air has on a surface or object

Back

force