Across
- 4. a large area of water between countries
- 5. steep natural wall of rock
- 8. these are exceptionaqlly dry
- 10. large cracks in the ground
- 12. a place where water rushes down a steep ledge
- 13. a piece of land with many trees
- 14. natural underground hollow space
- 16. an isolated place in a desert where plants grow
- 17. a large body of ice and snow
Down
- 1. land covered with dense vegetation
- 2. a mountain that erupts
- 3. a piece of land that sticks out into a body of water
- 6. land surrounded by water
- 7. low area of land between hills or mountains
- 8. hill made of sand
- 9. a type of wetland
- 11. a body of water completely surrounded by land
- 14. a water made by humans
- 15. smaller than a mountain
- 17. parts of oceans and seas partly enclosed by land