NEET BIOLOGY

Detailed explanation-1: -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 some cities today.

Detailed explanation-2: -Smog is a type of air pollution . Smog is a combination of smoke and fog and caused by the burning of large amounts of coal within a city, this smog contains soot particulates from smoke, sulphur dioxide and other components. It is usually highly toxic to humans and can cause severe sickness, shortened life or death.

Detailed explanation-3: -Smog is a kind of air pollution, originally named for the mixture of smoke and fog in the air.

Detailed explanation-4: -Fog combined with smoke forms smog.

Detailed explanation-5: -The expression “smog” was first used in “Turn-of-the-Century” London to describe a combination of “smoke” and “fog". Smog occurred when water vapor in the air condensed on small particles of soot in the air, forming small smog droplets.