Point out of the true statement. – McqOptions

MCQOPTIONS

1.	Point out of the true statement.
A.	photochemical smog occurs in a day time while the classical smog occur in the morning hours
B.	Classical smog has an oxidizing character whereas the photochemical smog is reducing in character
C.	During formation of smog, the level of ozone in the atmosphere goes down
D.	Classical smog is good for health but not photochemical smog
Answer» D. Classical smog is good for health but not photochemical smog

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