How does comparative advantage affect trade between countries? A. Countries cannot trade their goods unless they have a strong comparative advantage.

B. Countries typically only trade with partners that have a similar comparative advantage.

C. Countries trade for goods produced by countries that have a comparative advantage.

D. Countries with a significant comparative advantage are unlikely to trade with others.

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject.a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher.wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners.acceptable only when the researcher’s irb grants a special waiver.

Sociology is best described as the systematic study of

Skeleton and keyword outlines are most appropriate for what speech style? extemporaneous impromptu manuscript memorized