Industrial smog is
A) associated with photochemistry.
B) principally associated with coal-burning industries.
C) a relatively recent problem that developed during the latter half of this century.
D) principally associated with transportation.

Question

Quizplus · Accepted Answer

Industrial smog is primarily caused by the burning of coal in industries, which produces sulfur dioxide and particulate matter. This type of smog has been a problem since the industrial revolution in the 19th century, making option C incorrect. Photochemical smog, on the other hand, is associated with vehicle emissions and is not the same as industrial smog, making options A and D incorrect.

Industrial Smog Is