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Photochemical smog does not containA. ozoneB. nitrogen dioxideC. carbon dioxideD. PAN |
Answer» Correct Answer - C Photochemical smong is a nitrogeneous smog produced by the reaction of nitrogen oxides with the hydrocarbons in the presence of ultraviolet light from the sun. It contains secondary pollutants (PAN, PBZN, etc.) and ozone. |
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