During the month of November in 2017, there was Smog in the environment. Actually the Smog is combination of

Options

A. Smoke and snow
B. Snow and fog
C. Smoke and tog
D. All of these

Answer

C

Explanation

Smog is a type of sever air pollution. Smoke + Fog = Smog. It causes multiple problem specially in urban areas. Respiratory diseases, irritation in eye etc are key hazards.