Question

Write short notes on Los Angeles smog.

Answer 1

Smog is a mixture of smoke and fog. Smog is a type of air pollution; the word "smog" was made in the early 20th century as a portmanteau of the words smoke 

Answer 2

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★Smog is a mixture of smoke and fog.

★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.

★Photochemical smog, as found for example in Los Angeles, is a type of air pollution derived from vehicular emission from internal combustion engines and industrial fumes.