Across
- 3. a substance that lies between or above other things.
- 6. fine particles of rock.
- 9. one of the two largest rivers in Southwest Asia that flow from the mountains in Turkey to the Persian Gulf.
- 10. a means of supplying land with water
- 11. an area in southern Mesopotamia, were cities first appeared.
- 12. a resource that can be used to make something else.
- 13. arranged in a difficult way.
Down
- 1. a wall of earth built to prevent a river from flooding its banks.
- 2. to keep something in good condition through continual repair.
- 4. a strong disagreement.
- 5. an early city that was like a small, independent country with its own laws and government
- 7. one of the two largest rivers in Southwest Asia that flow from the mountains in Turkey to the Persian Gulf.
- 8. the geographic area located between the Tigris and Euphrates rivers, in ancient times.