Which of the following statements is true? according to the theory of comparative advantage, a nation should specialize in the production of those goods for which it has an absolute advantage. free trade theory suggests that when trade takes place any gains made by one nation comes at the expense of another. specialization and trade along the lines of comparative advantage allows nations to consume more than if they were to produce just for themselves. all of these.

Which of the following statements accurately describe the importance of the american concept of government and democracy? (select all that apply.)

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. one of the subjects is in an automobile accident two weeks after participating in the research study. is this an example of an unanticipated problem that requires reporting to the irb? yes, this must be reported because it was not listed as a risk of study participation in the consent form (was unexpected) and the subject experienced harm.yes, this must be reported because it involved a subject in a research study and it’s up to the irb to determine if it was related to participation.no, this does not need to be reported because it was assessed by the researcher as unrelated to the research study.no, this does not need to be reported to the irb since the researcher reported it to the sponsor of the study.

Music the height of a wave or the amount of the wave carries is the amplitude. a.air b.nodes c.speed d.energy