Social studies crossword

7. Densely over grown land with tropic vegetation
8. Dry areas of land desolate waterless and without vegetation
10. An artificial waterway used for irrigation or travel
12. A row or chain of mountains
14. Point of land protecting into a body of water
17. An inland grass area
19. A narrow water way or channel connecting two larger bodies of water
20. Steep decent of water from a height
22. A stream of water of considerable volume
23. Land that rises above surrounding land with steep slopes and peaks the summit

1. One of the seven largest land masses on earth
2. An area of sea or ocean partially enclosed by land larger than a bay
3. Body of water completely surrounded by land
4. A mountain formed when lava rises out of the earths crust
5. A narrow pieces of a land that connects to large land masses
6. Body of salt water almost entirely surrounded by land
9. Lowland region saturated by water
11. Area of barren land with roughly eroded ridges and peaked
13. A group of closely scattered islands
15. A river or stream that flows into a larger river or stream
16. A natural hot spring that emits a column of water and steam into the air
18. Deep, narrow valley with hight steep walls
21. Shallow pool of water at the center of an atoll
23. An area of low lying wet land