What involves a growing awareness that problems often have no clear solution, and two opposing strategies or points of view may each have merit?

Which nerve controls tongue movements?

a. Vagus. b. Abducens. c. Hypoglossal. d. None of the above.

For girls at puberty,

a. the pituitary gland signals the ovaries to significantly increase estrogen production. b. androgens stimulate growth of the breasts. c. estrogen levels determine the darkness and amount of facial hair. d. progesterone begins the process of the climacteric.