Riding a bicycle would reduce air pollution. It would also
A) decrease noise pollution.
The text mentions "noise pollution caused by cars, trucks, and machines".
So the answer is A as riding a bicycle would mean leaving a car, which is a source of noise polution, in the garage. As a result, noise pollution would be decreased.
The second one was i think
Very few officers in the service ever attain the Rank of General.
The right answers are the following:
1. c
2. d
3. d
4. b
5. c
