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Which of the following gaseous air pollutants is a major contributor to the formation of photochemical smog?

Option: 1

Nitrogen oxide (NO_x)


Option: 2

Carbon monoxide (CO)


Option: 3

Sulfur dioxide (SO_2)

 


Option: 4

Methane (CH_4)


Answers (1)

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Nitrogen oxide is a major contributor to the formation of photochemical smog, as it reacts with other pollutants and sunlight to create a mixture of harmful chemicals, such as ground-level ozone.Nitrogen oxides (NO_x)  are a major contributor to the formation of photochemical smog, which is a type of air pollution that occurs in urban areas with high traffic and industrial activity.

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Irshad Anwar

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