| A | B |
| geography | study of the earth's surface |
| torrid | extremely hot |
| frigid | extremely cold |
| isthmus | narrow strip of land connecting two larger bodies of land |
| tributary | stream that flows into a larger body of water |
| delta | fertile land that collects at the mouth of some rivers |
| archipelago | group of many islands |
| plateau | plain in the mtns; tableland |
| strait | narrow channel connecting two larger bodies of water |
| straight | not crooked |