When the economy is working properly, what is the acceptable range of unemployment?
a 7-10%
b 12-15%
c 4-6%
d 0-3%

When a nation imports more than it exports, economists say it has which of the following?
a a trade deficit
b a balance of trade
c a national defense
d a trade surplus

A high level of energy consumption indicates
a a large labor force working mainly in subsistence agriculture.
b a high level of economic development.
c a population with a low level of education.
d a high infant mortality rate