| A | B |
|---|
| Clear-cutting | Method of harvesting trees in which all of the trees are removed from a land area as opposed to selective cutting. |
| Deforestation | Clearing trees from an area without replacing them. |
| Infrastructure | The necessary structures including roads, buildings, bridges, and sewers, that a society builds for public use. |
| Land-use Planning | Determining the location of homes, businesses, and protected areas before an area has been developed. |
| Mineral | Solid substances found in nature that consists of a single element. |
| Mineral Resources | Minerals that have economic value and are useful to humans in someway. |
| Open-pit mining | Method of mining in which large holes are dugin the groundto remove the materials such as ore, sand, gravel, and building stone |
| Ore | Rock that contains minerals |
| Overgrazing | damage to a grassland caused by too many animals eating in a limited area; often so harmful that that the grass cannot recover. |
| Reclamation | The process of restoring land to the condition it was in beforemining operations began. |
| Reforestation | Process of replacing trees that have died or been cut down. |
| Selective Cutting | Method of harvesting only middle aged or mature trees individually or in small groups. |
| Strip mining | Method of mining in which huge machines clear away large strips of the earth's surface, as in phosphate mining. |
| Suburban sprawl | Low-density development that spreads out around cities. |
| Urban crisis | Condition in which more people live in a city than its infrastructure can support |
| Urbanization | Movement of people from rural area to cities |
| Wilderness | Designated natural area where the land and the ecosystems it support are protected |
