The Dharmashastras include four life courses that were reflective of the stages of a man's life. What important period of life is missing from this model of life stages?

A researcher presents a blindfolded subject with a sweet liquid and then adds a dropful of sweetener to the liquid and has the subject taste it. This process continues until the subject tells the researcher that the liquid tastes "sweeter.". Regarding the sense of taste, this researcher is seeking the __________ threshold

a. difference b. absolute c. subliminal d. phosphene

According to sociologists, perhaps effeminate young boys begin to behave as homosexuals because _____

a. of genetics b. they witness the worry and fear on the faces of their parents c. of jealous mothers d. they have playmates of both the same sex and the other sex while growing up