Air pollution

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What is air pollution?

Back

Air pollution is the presence of harmful substances in the air we breathe.

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What are some common causes of air pollution?

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Common causes include factories, cars, and wildfires.

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How can walking help reduce air pollution?

Back

Walking reduces the use of cars, which helps decrease air pollution.

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What is one way to keep the air in your home clean?

Back

Adding plants can help keep the air clean.

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What is a respiratory infection?

Back

A respiratory infection is an illness that affects the lungs and breathing.

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What gases do factories release that contribute to air pollution?

Back

Factories release gases such as nitrogen oxide.

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How do cars contribute to air pollution?

Back

Cars release harmful gases and pollutants into the air.

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What is one effect of air pollution on humans?

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Air pollution can cause respiratory infections.

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What can you do to help reduce air pollution?

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You can walk, ride a bike, or use public transportation.

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What role do trees play in air quality?

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Trees help clean the air by absorbing carbon dioxide and releasing oxygen.