“Smog” is a mixture of

The correct answer is A. Smoke and Fog.

Smog is a mixture of smoke and fog. It is a type of air pollution that is caused by the burning of fossil fuels, such as coal, oil, and gasoline. Smog can be harmful to human health, as it can cause respiratory problems, heart disease, and cancer.

Option B is incorrect because snow is not a type of pollution. Snow is a form of precipitation that occurs when water vapor in the atmosphere condenses and freezes.

Option C is incorrect because dust is not a type of pollution. Dust is a

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