What explains the differences in sexual activity of men and women 7585 years old?
a) Women are more likely to be without a partner.
b) Men lose the ability to engage in sexual activity.
c) Men married much younger women.
d) Women tend to be asexual.
Question 2
What was the relationship between the modern family's new residential patterns and family time?
a) Children spent less time with their fathers.
b) Children spent less time with their mothers.
c) Children spent more time with both parents.
d) Children spent more time with extended family.
Measurements of solar cycle variation during the last 30 years
Activity versus specific activity
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