Answer:
The answer is nitrogen dioxide
Explanation:
The term "photochemical smog" refers to a mist formed by a mixture of pollutants (NOx and volatile hydrocarbons) with others such as ozone, peroxyacyl, hydroxyl radicals, etc., which are formed by the reactions that occur with the light of the sun to affect the NO. This mixture dyes the atmosphere of a reddish brown color, full of very dangerous components for living beings.
