Question

how smog is formed ....

Answer 1

Photochemical smog is produced when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. Nitrogen oxides come from car exhaust, coal power plants, and factory emissions. VOCs are released from gasoline, paints, and many cleaning solvents.

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Answer 2

$\huge \mathfrak{smog \: = = > }$

. This smog is created when sunlight mixes with hydrocarbons and nitrogen oxides, which are chemicals in the atmosphere. ... Ozone formed in the Earth's lower atmosphere can lead to smog and affect your health when you breathe it.