| A | B |
| natural resources | materials that come from nature |
| human resources | people working to produce goods and services |
| capital resources | goods made by people and used to produce other goods and services |
| producers | people who use resources to make goods or provide services |
| goods | things that people make or use to satisfy needs and wants |
| services | activities that satisfy people's needs and wants |
| economic choice | making a decision among economic possibilities |
| opportunity cost | the next best choice that is given up when a decision is made |
| economic specialization | focusing on one product or service |
| economic interdependence | 2 or more people depending on each other for goods and services |