| A | B |
|---|
| archipelago | a group of islands |
| delta | piled up sediment washed down from the river |
| cataracts | series of river rapids and waterfalls |
| oasis | fertile land in desert supplies water from underground |
| mouth of a river | where a river empties into a larger body of water |
| strait | a narrow waterway connecting two larger bodies of water |
| valley | low area of land surrounded by higher ground |
| bay | water with land on 3 sides smaller than a gulf |
| gulf | part of an ocean that has land on 3 sides |
| peninsula | land that has water on three sides |
| continent | largest land mass on Earth |
| ocean | largest body of salt water |
| desert | area that has little precipitation |
