What is the Atmosphere?

Front

What are the main components of the Earth's atmosphere?

Back

Nitrogen and Oxygen.

Front

What harmful rays does the ozone layer protect us from?

Back

UVB rays.

Front

What is the atmosphere?

Back

A mixture of gases surrounding the Earth.

Front

What is the common name for the gases in our atmosphere?

Back

Air.

Front

What is the greenhouse effect?

Back

A process that traps warmth on Earth.

Front

What gas makes up about 78% of the Earth's atmosphere?

Back

Nitrogen.

Front

What gas is essential for human breathing?

Back

Oxygen.

Front

What layer of the atmosphere contains the ozone layer?

Back

Stratosphere.

Front

What is the role of the ozone layer?

Back

To protect living organisms from harmful UV radiation.

Front

What is air pressure?

Back

The force exerted by the weight of air above a surface.