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Which of the following pollutants contributes the most to the formation of smog?

Option: 1

Carbon monoxide (CO)


Option: 2

Nitrogen dioxide (NO_2)

 


Option: 3

Sulphur dioxide (SO_2)


Option: 4

Particulate matter (PM2.5)


Answers (1)

best_answer

Nitrogen dioxide  (NO_2) is a key contributor to the formation of smog. It reacts with other pollutants and sunlight to form ground-level ozone and other harmful compounds.

Posted by

Devendra Khairwa

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