| A | B |
| region | large area with common features that sets it apart |
| swamp | wetland with many trees |
| marsh | area of low, wet land covered mostly with tall grasses |
| bayou | a marshy, slowmoving stream |
| desert | dry area that gets lets than 10inches of rain |
| glacier | a huge sheet of ice that moves slowly across the land |
| culture | the entire way of life of a people |
| population | total # of people who live in a particular area or place |
| reservoir | a natural or human-built lake used to store water |
| natural resource | a material found in nature that people use to meet their needs |
| renewable resource | a natural resource that can be replaced |
| nonrenewable resource | materials found in nature that cannot be replaced |
| mineral | substance found in earth that is neither plant nor animal |
| conservation | the protection and careful use of natural resources |
| recycle | to save discarded items so they can be used again |