Scarcity is a problem only for economies that use money as a medium of exchange.

a. true

b. false

Scarcity is not a problem only for economies that use money as a medium of exchange.

False

Explanation:

''Scarcity'' is a problem in the world regardless of borders, economies and especially as a ''medium of exchange''. Though there is not any country that's economy does not have money as their medium of exchange but for the sake of argument the barters system is going to create more the problem of scarcity along with various issues that we will have to deal with due to barter system or any other mean of exchange that why we abandoned the ''barter system'' in the first place it had a lot of faults within and the amount of population that we have right now the barter system couldn't even survive a day.

no the answer is c only objects touching the earth's surface can be acted upon by an outside force

answer; which categories of people are most at risk of becoming a criminals;