Q664
"Smog" is a mixture of
A.
Smoke and Fog
AnswerB.
Snow and Fog
C.
Snow and Dust
D.
Sulphur Dioxide and Fog
Answer: Option A
Solution
Answer: Option A
Solution:
Smog is a kind of air pollution, originally named for the mixture of smoke and fog in the air. Classic smog results from large amounts of coal burning in an area and is caused by a mixture of smoke and sulfur dioxide.