Sean, a psychologist, watches a group of teenagers listen to a rock band and decides to conduct a research on the effects of music videos on children and adolescents. In this case, the initial source of idea for the research is:

A) common sense.
B) past research.
C) the world around.
D) a theory.

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene

Quick using the information in the graph, one might speculate that a) w.w.i created increased job opportunities in the u.s. b) the election of president hoover in 1936 caused unemployment to decline. c) the return of soldiers following w.w.ii caused unemployment to increase in the u.s. d) the new deal programs of president roosevelt created employment opportunities in the u.s.

Discutati in perechi si decideti daca o persoana actionand singura poate sa influenteze atitudinea celor din jur fata de mostenirea culturala