Smog is a combination of ___________

Smog is a combination of Smoke and fog. Hence the word smog is also derived from the two words.

What is smog?

Smog is a kind of air pollution that is produced by the photochemical reaction of sunlight with nitrogen oxides and hydrocarbons which have been released into the atmosphere, specifically by automotive emissions.

Causes of smog

Smog is created out of nitrogen, ozone, oxides of sulfur, smoke and other particles. It can be caused due to agricultural fibres and natural forest fires as well. The reaction of these chemicals can lead to smog. It can lead to health hazards such as cancer, bronchitis, asthma, emphysema and many more.

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