| A | B |
|---|
| Natural resources | materials from the earth |
| renewable resources | resources that cannot be used up or can be replaced |
| nonrenewable resources | resources limited in supply |
| economic system | the method used to answer the three key questions |
| developed country | has a mix of agriculture an industry |
| developing countries | countries with less advanced economies |
| interindependance | countries that rely on each other |
| export | send out |
| import | take in |
| tariffs | taxes on imports |
| quota | a limit on imported items |
| free trade | removal of trade limits |
| newly industrialized countries | countries becoming more industrial |
