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OpenStudy (anonymous):

What is the main source of air pollution in the world today? coal-burning factories chemical waste from industrial centers nuclear power plants carbon emissions from cars and trucks

OpenStudy (anonymous):

D??? just a guess

OpenStudy (anonymous):

@sdfgsdfgs

OpenStudy (anonymous):

Hey! wat happened to mr G?

jabez177 (jabez177):

D is correct. I'm so glad they are making electric cars. Then our electric bills will go h higher... xD

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