Across
- 2. one of the two largest rivers in Southwest Asia that flow from the mountains in Turkey to the Persian Gulf
- 5. a means of supplying land with water
- 6. an area in southern Mesopotamia, where cities first appeared
- 8. one of the two largest rivers in Southwest Asia that flow from the mountains in Turkey to the Persian Gulf
Down
- 1. in ancient times, the geographic area located between the Tigris and Euphrates rivers
- 3. an early city that was like a small, independent country with its own laws and government
- 4. fine particles of rock
- 7. a wall of earth built to prevent a river from flooding its banks
