I'm only in middle school but i believe its coal.
The brown Haze that forms over Sunny cities like Los Angeles is called smog. It <span> is a yellowish or blackish fog formed mainly by a mixture of pollutants in the atmosphere which consists of fine particles and ground level ozone.</span><span> Hope this answers the question.</span>
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My bad i didnt mean to put that carry on.
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An anion that has a larger radius.
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