| A | B |
| elevation | distance above or below sea level |
| erosion | wearing away of the Earth's surface through motion |
| isthmus | narrow strip of land connecting land; land bridge |
| peninsula | piece of land surrounded on three sides by water |
| landform | a single physical feature that makes the shape or look of the land |
| delta | triangular shaped area formed by alluvial soil depositing at the mouth of a river |
| strait | narrow natural strip of water connecting two larger bodie sof water |
| biome | ecosystem |
| canal | man made passage of water connecting water |
| environment | all physical surroundings |
| wetland | area covered by water at least part of the uear; swamp, bog, bayou marsh |
| weathering | wearing away of the Earth's surface through motion |