Across
- 3. an area in southern Mesopotamia, were cities first appeared.
- 5. an early city that was like its own country
- 8. a wall of earth built to prevent a river from flooding its banks
- 9. step pyramid-shaped building
- 10. cradle of civilization (two words)
Down
- 1. a river in Mesopotamia
- 2. a means of supplying land with water
- 4. fine particles of rock
- 6. code writer
- 7. a geographic area located between the tigris and Euphrates rivers