A noticeable haze that is caused by a mixture of air pollutants and sunlight is called

English as a Second Language English Vocabulary, Grammar and Idioms
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A noticeable haze that is caused by a mixture of air pollutants and sunlight is called ...... (*) sleet (*) smog (*) turbulence

This is a companion discussion topic for the original entry at https://english.best/questions/16257,a-noticeable-haze-that-is-caused-by-a-mixture-of-air-pollutants-and-sunlight-is-called-___/
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I believe it’s smog. A word that comes from other two words, smoke and fog. Sunlight helps break chemical bonds of some pollutants.

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You are right. The word described here is smog.

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