Indicate whether each of the following functions as a medium of exchange, a unit of account, or a store of value in the U. S. economy. Medium of Exchange Unit of Ac Store of Value
Plastic credit card
Picasso painting
Japanese yen U. S. dollar bill
Given your answers to the previous task, indicate whether each of the following is considered money in the U. S. economy.
Money
Yes No
Plastic credit card
Picasso painting
Japanese yen
U. S. dollar bill

Which one of the following statements is true? ddt does not prevent disease from passing from agricultural animals to humans. cost was a major factor in the united states government's decision to ban ddt. many african governments concluded that the potential long-term health effects of ddt were not as serious as the immediate problem of insect control. ddt cannot accumulate in the fat of animals. the ddt ban in the united states has made it very difficult to control agricultural insect pests.