Multiple Choice
The decrease in NOx emissions in the U.S.from 1970 to 2014 can be partially attributed to which of the following?
A) a decrease in the amount of energy consumed
B) a decrease in the amount of nitrogen in the atmosphere
C) the use of catalytic converters in motor vehicles
D) a decrease in vehicle miles traveled
E) the use of scrubbers in motor vehicles
Correct Answer:
Verified
Correct Answer:
Verified
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