Plains, hills and mountains are land features . Rivers, lakes and oceans are water features . When people work to produce goods and services, they are called human resources . Goods made by people and used to produce other goods and services are called Capital Resources . Examples of these are trucks, computers, lawn mowers and hammers.
Services are activities that satisfy people's wants.
People who use goods and services are called Consumers . People who use resources to make goods and provide services are called Producers . People are both consumers and producers. Interdependence is when people need one another. Resources are limited or scarce .