Question

The brownish haze over communities where substances produced when hydrocarbons, nitrogen oxides and other small particulate matter chemically interact in the presence of sunlight is referred to as

Answer 1

Smog

Smog refers to brownish hazy air formed as a result of the mixture of various gases such as hydrocarbons, nitrogen oxides and other small particulate matter chemically in the presence of sunlight. Smog is an air pollutant that makes breathing difficult for humans.