| A | B |
| isthmus | a narrow strip of land that connects 2 large areas of land |
| peninsula | an area of land that is surrounded by water on 3 sides |
| delta | the dirt and sand that collect at the mouth of a river |
| oasis | a fertile place in a desert where there is water, trees, and other plants |
| tributary | branch of a river |
| valley | land that lies between mountains or hills |
| plateau | large area of high, flat land |
| gorge | deep, narrow valley that usually has a stream running through it |
| archipelago | chain of islands |
| strait | a narrow channel that connects two larger bodies of water |