A block to problem solving that comes from thinking about objects only in terms of their most common or typical use is called __________.

Inhalants, which are used more by younger adolescents to get high, are

marijuana. cocaine. tobacco. aerosols and cleaning fluids.

Sexual maturation in both males and females is initiated by the

a. hypothalamus. b. pituitary gland. c. testes and ovaries. d. cerebral cortex. e. sex hormones.