Prehistory is the time before____?______

•modern human beings existed
•people left written records
•people created calendars
•people began to study history

Prehistory is the time before modern human beings existed

Which of the following is an example of a trade barrier?

Capitalism
Tariff
Gross domestic product
Comparative advantage

Tariff

Which of the following drives the free market?

Capitalism

Which of the following drives the free market economy?

The needs and wants of the people
The supply of goods in the market
The number of consumers in the market
The gross domestic product

The needs and wants of the people drive the free market economy.

Which term describes the choices that people must make to meet their wants and needs?

Supply
Demand
Opportunity cost
Producers

Opportunity cost describes the choices that people must make to meet their wants and needs.

Abraham needs one-half of a point to get an A- in math. What rational number can be used to represent the number of points needed for Abraham to get an A-?