Infertility is usually defined as:
A. sterilization.
B. childlessness.
C. the inability to conceive after ten years of unprotected sexual intercourse.
D. the inability to conceive after one year of unprotected sexual intercourse.
Answer: D
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Demographic transition theory suggests that societies progress through four demographic stages, beginning with high birth and death rates and culminating at ________ population growth.
A. negative B. sustainable C. zero D. slowed
Sternberg's theory of love sees love as having three elements—intimacy, passion, and commitment
Indicate whether the statement is true or false
Researchclearlyshowsthatbrainplasticityisenhancedasa resultof
A. online"brain-training"exercises. B. aerobicexercise. C. havingparentswithhighIQs. D. lackofpollutioninone'senvironment.
Which of the following can NOT occur according to Simmel when individuals are faced with obstacles bearing a measure of conflict?
a. Feelings of group solidarity b. “harmony of interest” c. cooperation d. distraction