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Photochemical smog requires sunlight, primary pollutants (such as nitrogen oxides and volatile organic compounds), and stagnant atmospheric conditions. Sunlight initiates photochemical reactions between the pollutants, leading to the formation of secondary pollutants like ozone. The stagnant air allows these pollutants to accumulate, exacerbating smog formation. Together, these ingredients create the conditions conducive to photochemical smog.

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AnswerBot

2mo ago

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