QZ 8: Air Pollution

Front

What is the ozone layer?

Back

A protective layer in the Earth's stratosphere that absorbs most of the Sun's harmful ultraviolet (UV) radiation.

Front

What are CFCs?

Back

Chlorofluorocarbons, man-made compounds that can deplete the ozone layer.

Front

How do CFCs damage the ozone layer?

Back

CFCs release chlorine atoms in the stratosphere, which react with ozone (O3) molecules, leading to ozone depletion.

Front

What are two ways to reduce air pollution?

Back

Burn less fossil fuels and use alternative transportation like walking or biking.

Front

What does the ozone layer protect us from?

Back

It protects us from harmful ultraviolet (UV) rays from the Sun.

Front

What is smog?

Back

A type of air pollution that reduces visibility, often caused by a mixture of smoke and fog.

Front

What is air pollution?

Back

The presence of harmful substances in the air that can affect health and the environment.

Front

What is temperature inversion?

Back

A weather phenomenon where a layer of warm air traps pollutants close to the ground, leading to increased pollution levels.

Front

What are some common sources of air pollution?

Back

Vehicle emissions, industrial discharges, burning fossil fuels, and household products.

Front

What is the impact of air pollution on health?

Back

Air pollution can cause respiratory issues, cardiovascular diseases, and other health problems.