"The extreme stratification in today's world is a fairly recent development in human history" Anthropologists see the development of which of the following as primarily responsible for this fundamental transition away from egalitarianism?

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

You think all professors are uncoordinated, but then you see your social psychology professor make a diving catch down the left-field line at an intramural softball game against the arts department team. you also notice that your professor hits lead-off for the team and is able to score from second base on a ground-out. you maintain your original stereotype of professors as uncoordinated by deciding that this one individual is an exception to the rule because he is a “young professor.” this is an example of

How does sociology account for the cause of drug and alcohol addiction?