Humans are biologically primed to associate sickness with tastes more readily than with sights

Which of the following statements about the psychosocial crisis is most accurate?

a. Only infants and toddlers have psychosocial crises. b. The psychosocial crisis is expressed as polarities with positive and negative ends on a continuum. c. Most people do not experience a psychosocial crisis during their lifetime. d. The psychosocial crisis is a result of vulnerability in the biological system without societal influence.

The human ear is sensitive to sound waves with frequencies of

a. 20 to 2,000 cycles per second. c. 2 to 200 cycles per second. b. 20 to 20,000 cycles per second. d. 200 to 20,000 cycles per second.