| A | B |
|---|
| mountain | a very high hill; a natural elevationof the earth's surface rising high above the surrounding level |
| valley | low land between hills or mountains |
| basin | shallow area containing water; all the land drained by a river and its tributaries |
| peninsula | piece of land almost surrounded by water, or extending far out into the water |
| ocean | the great body of salt water that covers almost three fourths of the earth's suface; the sea |
| river | a large natural stream of water that flows into a lake, ocean, etc. |
| hill | a raised part of the earth's surface, smaller than a mountain |
| island | body of land smaller than a continent and completely surrounded by water |
| lake | a large body of water entirely or nearly surrounded by land |
| plain | a flat stretch of land: tract of level or nearly level land; prairie |
