Breast development, deepening of the voice, growth of body hair, and changes in the skin are considered secondary sex characteristics because they ______.
A. happen after the maturation of the ovaries and testes
B. indicate physical maturation but are indirectly related to fertility
C. are unimportant changes
D. happen at the end of puberty
Answer: B
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Since 2010, the rate of growth of older adults in ____ is the highest in the industrialized world
a. India b. Japan c. China d. The United States of America
Professor Lutz is conducting twin studies of generalized anxiety disorder (GAD). He is most likely to find ____ for GAD
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Brown and Kulik speculated that because of intense emotion and surprise,__________
memories tend to remain especially vivid and long-lasting. a. photographic b. overwhelming c. flashbulb d. life-changing e. formative