Your introductory sociology professor believes that gender roles serve a purpose in society to fulfill certain functions. What type of theoretical background is your professor espousing?
a. conflict
b. postmodern
c. feminist
d. structural functionalism

The correct answer is letter D

It is good to distinguish structural-functionalism from anthropology with the homonymous theory of sociology. In sociology, structural-functionalist theory explains the functioning of a society based on social actions. That is, how the various actions of individuals make society work in a more or less stable way.

what terms are there?

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.