In economies, an exchange rate deserbes: A the amount of currency available in fixed exchanges
B the total value of a country's imports and exporte.
C. how quiekly prices are rising in an international market
D how much one eurreney is worth compared to another

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.

This form of government has only a single political party. question 2 options: communist democratic autocratic parliamentary

Under a tyranny the power to make a political decision is in the hands of a