Across
- 2. cold dry region where trees cannot grow like the North Pole
- 7. resource resources that cannot be made again by people or nature
- 9. system together, a river and its tributaries make this
- 10. a stream or river that flows into a larger stream or river
- 11. line a place where land drops sharply calusing rivers to be waterfalls
- 13. basin the land drained by a river system
Down
- 1. any area of water extending into the land from a larger body of water
- 3. resource all resources that can be made again by peope or nature
- 4. a long inlet that separates offshore islands from the mainland
- 5. the use of canals, dithches or pipes to move water
- 6. vegetation plant life that grows naturally in a place
- 8. height of the land in relation to sea level
- 12. dry climate like the desert
- 14. largest inlets. Body of water east of Mexico.