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Sexual maturation in __________ usually begins with __________.
Q4: Studies of unmarried mothers show that<br>A) they
Q13: Findings obtained in laboratories often have limited<br>A)
Q16: In the United States, _ is especially
Q20: Which of the following statements is true
Q27: In research on ethnically diverse lesbian, gay,
Q68: Heritability estimates<br>A) reveal that genetic factors are
Q85: Which of the following statements is supported
Q96: Neurons sent by the _ to the
Q99: About 90 percent of high school students
Q103: In one study, 2½-year-olds were unable to