How many amino acids are necessary for the human body to function properly? A.
22
B.
8-10
C.
12-14
D.
Amino acids are not necessary for the human body to function properly.

The characteristic of stress responses that refers to the degree or extent of the behavior is a. intensity. b. frequency. c. duration. d. stress.

If birth rates fall below the replacement level, then a country is in which stage of demographic transition? a. urbanization/industrialization b. mature industrial c. postindustrial d. pre-modern

Albert badura and b.f skinner agree that cognitive factors play no role in personality development. true or false