Mental disorders affect _________ percent of the United States population

Which is the best example of a maturational ability:

a. hair growing b. crawling c. speaking French d. shyness

Your mother is worried that since your father has just turned 40 years old, he is going to have an affair or buy a fancy new sports car. What would you tell your mother?

a. She has no reason to be worried, very few males have midlife crises. b. She has reason to be worried, most males have midlife crises. c. She has no reason to be worried, females are much more likely to have midlife crises. d. She has reason to be worried, married men are much more likely to have a midlife crisis.