Draw Conclusions What would be the opportunity cost of driving to California for a vacation instead of flying

What are objects called that have value in and of themselves as well as value as a means of exchange? custom commodity money currency simple money

Aresearcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. based on dhs regulations, the researcher report this event to the irb? no, this does not need to be reported since the subject had the heart attack when they were home, not at the focus group.no, this does not need to be reported since it is unrelated to participation in the study.no, this does not need to be reported because two weeks have passed.no, this does not need to be reported since the subject recovered.

During the(answer), roman generals warred over succession. these conflicts drew soldiers away from the frontier and made the empire vulnerable to( answer) a. imperial crisis b.inflation c. pax romana d. great schism e. trade how did the huns contribute to the fall of the western roman empire? select all that apply. a.they stopped trading with rome, which caused inflation. b.they hindered roman trade along the silk road. c.they conquered and burned rome. d.they dealt the roman army a major blow at chaldôn. e.they drove germanic people into the empire. what condition made the byzantines vulnerable to attack by muslim turks? a.the council of nicea b.the death of constantine c.ongoing wars with the sasanian persians d.invasions by huns and germanic peoples today, the (answer) still heads the roman catholic church, which is centered on rome. there is no longer a byzantine emperor, but each country has its own ( answer) to lead the eastern orthodox church there. ceasor b. bishop c. pope d. tsar e. governor f. patriarch g. perfect h. council the teachings of jesus became a religion in large part because ( answer) spread his teachings and gathered followers. paul carried christian beliefs throughout the roman empire and attracted many ( answer) a. apostiles b pharisees c. non jews d.sauducees answer (correct) and i will give brailiest thxx .