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Large cities often have a visible haze hanging in the air high above them. What most likely causes this haze?

a. many women's aerosol hairsprays

User Oltman
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1 Answer

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Haze is caused by particulate matter from incomplete combustion of car, truck, bus, burning of gasoline and diesel. This could also be caused by the buning of wood, coal, and heating oils from industry, electical generation plants that do not collect some of the pollutants at the smoke stack or exhaust points.
User Keegan Jay
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