Question

The classical smog was first observed in

• A. London
• B. Tokyo
• C. Paris
• D. New york

Answer 1

The correct option is A London

Smog is the term which is used to describe the combination of the smoke and the fog. Dr. Henry Des Voeux coined the term smog after he studied the fog in London which contains the smoke and dust particles. The presence of the high concentration of the carbon particles was responsible for the black colour of the fog.

Thus, the correct answer is option A.