The prime meridian is the starting point of the world's time zones. all time zones go east or west of this line in 15° intervals. the time intervals are progressively one hour to the west and one hour to the east.

According to a traditional legend, who founded the city of rome? a. helen of troy c. aristotle and plato b. romulus and remus d. julius caesar

One of the great societal changes brought about by industrialization in europe was a. slavery. b. urbanization. c. ruralization. d. democracy.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.