| A | B |
|---|
| humans grew food plants | agriculture |
| humans raised domesticated animals | agriculture |
| dramatically increased the growth rate for the human population | agriculture |
| irrigation, fertilizers, and pesticides are used | agriculture |
| materials that are supplied by nature | natural resources |
| resources that can be regenerated | renewable resources |
| Provides space for living, raw materials for building | land resources |
| used for food crops | land resources |
| wearing away of the surface soil by water and wind | erosion |
| when productive areas to become deserts | desertification |
| provide wood, paper, and fuel | forest reserves |
| remove CO2 and add O2 | forest reserves |
| loss of large areas of forests | deforestation |
| provides fish and shellfish | ocean resources |
| we breathe it | air resources |
| smoke and fog - kills millions every year | smog |
| Drinking, washing, watering crops, industry | water resources |
