Composition of the Atmosphere

Front

What are the two major atmospheric gases?

Back

Nitrogen and oxygen.

Front

What are the important minor gases in the atmosphere?

Back

Argon and carbon dioxide.

Front

List the layers of the atmosphere starting from the lowest.

Back

Troposphere, Stratosphere, Mesosphere, Thermosphere.

Front

What type of air pressure is present in the atmosphere?

Back

High.

Front

If an air mass is sinking, what is its temperature and density?

Back

Cold and more dense.

Front

What is the primary component of the atmosphere?

Back

Nitrogen, making up about 78% of the atmosphere.

Front

What role does oxygen play in the atmosphere?

Back

Oxygen is essential for respiration in most living organisms and makes up about 21% of the atmosphere.

Front

What is the function of the ozone layer?

Back

The ozone layer protects the Earth from harmful ultraviolet (UV) radiation from the sun.

Front

What is the significance of water vapor in the atmosphere?

Back

Water vapor is crucial for weather processes and makes up a variable percentage of the atmosphere.

Front

What is the thermosphere?

Back

The thermosphere is the layer of the atmosphere above the mesosphere, characterized by high temperatures and low density.