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The trees suck up the stuff we breath out, which is carbon dioxide, then let out stuff we breath in, which is oxygen.

Note: Trees and plants do the reverse at night. They give out carbon dioxide and take in oxygen.

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Q: How do trees keep the air clean?
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Related questions

Why do trees exist?

To clean the air


Why trees exist?

To clean the air


What can you do to make the air clean?

We can clean the air by planting trees!; not only planting but growing them also.!!!


Which types of trees clean the air the most?

Silver birch, yew and elder trees.


What is the role of plants and trees in keeping the environment clean?

Plants and trees have a major role in keeping the environment clean. This is because they help to clean the air using photosynthesis.


What can you do to keep the air clear?

You keep the air clear by planting trees and avoiding activities that can lead to air pollution.


What are some benefits to cutting only some trees and not all trees?

Trees give off oxygen and clean the air


How do you prevent global dimming?

Keep the air clean with Clean Air Acts around the world.


How do you keep clean air?

Air Purifiers work well.


How does planting a tree help the enviorment?

trees help clean the air


How can you get clean air form no trees?

You have to get your air from trees but you could also get it from other living organisms like bushes, shrubs, and flowers (other plants).


Do wetlands clean air?

I have NO idea, but wetlands have a lot of trees, I think. Trees help the air. Sorry, I'm studying wetlands right now, so I have no idea