If one group is given some medicine that may cure a disease and the other group is given a sugar pill, the group who got the medicine is the

Which type of market produces the highest level of output at the lowest price to consumers?

What would a student most likely use if he or she wanted to consult a secondary source

Which of the following statements concerning brazil since independence is not true? brazilians today can participate in politics through voting. brazil has been governed by dictators and elected officials. brazil became independent from portugal in 1822. brazil was the first country in the americas to end slavery.