Question

what is known as smog?​

Answer 1

Explanation:

Smog is a kind of air pollution, originally named for the mixture of smoke and fog in the air. Classic smog results from large amounts of coal burning in an area and is caused by a mixture of smoke and sulfur dioxide. In the 1950s a new type of smog, known as Photochemical Smog, was first described.

Answer 2

Answer:

smog is a constituent mixture of smoke and fog in atmosphere which affects the visibility as well as increases health related problems.