Across
- 1. A large, natural stream of flowing water
- 4. A piece of land surrounded by water
- 6. A large natural elevation of the earth's surface.
- 7. A dry, barren area of land characterized by very little precipitation.
- 8. The expanse of salt water that covers most of the earth's surface
- 10. A large area of water surrounded by land.
Down
- 2. A forest in a tropical area that receives a lot of rain
- 3. A mountain with a large, circular hole at the top
- 5. Water dropping from a higher to a lower point
- 9. A strip of land covered with sand