| A | B |
|---|
| Urbanization | The movement of people from Rural areas to cities |
| Infrastructure | All of the things that a society builds for public uses |
| Suburban Sprawl | The expansion of a city’s borders |
| Urban Crisis | Condition in which more people live in a city than its infrastructure |
| Land-use planning | Involves determining, in advance where people will live, the location of homes, businesses, and protected areas before an area is developed |
| Deforestation | Clearing trees from an area without replacing them |
| Clear – cutting | Method of harvesting trees in which all the trees are removed from a land area as apposed to selective cutting |
| Selective cutting | Method of harvesting only middle aged, or matured trees individually or in small groups |
| Reforestation | Process of replacing trees that have died or been cut down |
| Over grazing | Damaged to a grassland caused by too many animals eating in an limited area, so that the grass cannot recover |
| Mineral | Solid substance that is found in nature and consists of a single element or compound |
| Open-pit mining | Method of mining in which large holes are dug in the ground to remove materials such as ore, sand, gravel, and building stone |
| Mineral Recourses | Minerals that have economic value that are useful in some way |
| Ore | Rock that contains minerals |
| Strip mining | Huge bulldozers and other machines are used to clear away large strips of the Earth’s surface as in phosphates |
| Reclamation | Process of restoring land to the condition it was in before mining operations began |
