Which statement is true? group of answer choices
a. some very untalented people have a comparative advantage in nothing they do.
b. some very talented people have a very low opportunity cost in everything they do.
c. it is possible to have an absolute disadvantage but a comparative advantage in something.
d. some very talented people have a comparative advantage in everything they do.

One way in which the european union encourages trade among countries is through the use of

Which of the following colonies would most likely have agreed with this stamens the king of england knows what is best for the colonies

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design