If M stands for the money supply, V for the velocity of money, P for the average selling price, and Q for the output of goods and services, the equation of exchange is:

The LM curve will shift to the right if

A. the interest rate decreases. B. the money demand increases. C. the average price level decreases. D. the money supply decreases.

Among the criteria used for identifying priority contaminants is that

a. the pollutant must occur in a private water system b. thecontaminant might have a negative effect on the ecology c. the pollutant must be a microorganism d. the contaminant may have an adverse effect on human health e. none of the above