?
Smog is
Answer & Solution
Correct Answer:
Option
B
Smog is air pollution that reduces visibility. The term "smog" was first used in the early 1900s to describe a mix of smoke and fog. The smoke usually came from burning coal. Smog was common in industrial areas, and remains a familiar sight in cities today. Today, most of the smog we see is photochemical smog.
Join the Discussion
Login to post a comment or share your explanation.
Login