| A | B |
|---|
| region | a large area in wnich places share similar characteristics |
| landform | a natural feature of the earth's surface |
| mountain | a very high landform, often with steep sides |
| plain | an area of flat land that often is covered with grass of trees |
| desert | is an area that gets very little rain |
| canyon | a deep valley with steep rocky walls |
| plateau | a large, flat, raised area of land |
| boundary | a line or natural feature that separates one area or state from another |
