SMOG

 Which of the following pollutants are responsible for the cause of SMOG?

A. Incinerators

B. emission from vehicles

C. Both A & B è

D. Ozone gas

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Smog is air pollution that reduces visibility.

The term "smog" was first used in the early 1900s to describe a mix of smoke and fog.

The smoke usually came from burning coal.

Smog was common in industrial areas, and remains a familiar sight in cities today.

Today, most of the smog we see is photochemical smog.

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