In the United States, in 2012, _______ federal offenders were sentenced to prison.

It has been found that humans ________

a. are sensitive to almost the entire range of electromagnetic energy. b. can hear sounds that are two octaves beyond the range of bats. c. are one of the few species that can see ultraviolet light. d. can see a candle flame on a clear, dark night from 30 miles away.

There is the GREATEST amount of debate on the risks associated with which of the following drugs?

a. marijuana b. alcohol c. cocaine d. heroin