How has the frequency of same-sex behavior in the United States changed over the years?
a. It has increased over the years due to changes in the social status of people who identify across the spectrum of sexual orientation.
b. It has decreased over the years due to increased homophobia.
c. It has only increased among men, not among women.
d. It has remained constant over the years in spite of the changes in the social status of same-sex relationships.
Question 2
Approximately how long does it take for a sperm to develop?
a. 24 hours
b. 1 week
c. 30 days
d. 72 days
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