Front

What is the layer of the atmosphere furthest from Earth's surface?

Back

exosphere

Front

What gas makes up 21% of the Earth's atmosphere?

Back

oxygen

Front

What force enables the atmosphere of Earth to stay in place?

Back

gravity

Front

Which layer of the atmosphere contains most of the ozone?

Back

stratosphere

Front

In which layer does most weather occur?

Back

troposphere

Front

What is the layer of the atmosphere directly above the troposphere?

Back

stratosphere

Front

What is the primary function of the ozone layer?

Back

To absorb and scatter ultraviolet solar radiation.

Front

What is the temperature trend in the troposphere as altitude increases?

Back

Temperature decreases with altitude.

Front

What is the main characteristic of the mesosphere?

Back

It is the layer where most meteoroids burn up upon entering the Earth's atmosphere.

Front

What is the boundary between the troposphere and the stratosphere called?

Back

Tropopause