Across
- 4. one of the two main rivers of Mesopotamia
- 5. chemical used in fertilizer
- 6. urban necessities like streets and sewers
- 14. open markets
- 16. raising of livestock
- 20. wedge shaped writing
- 21. grain
- 23. name of peninsula where Saudi Arabia is
- 24. muslim house of worship
Down
- 1. religious messenger
- 2. name of peninsula connecting Africa to Asia
- 3. egyptian picture writing
- 7. fertile soil left over from river floods
- 8. one of the two main rivers of Mesopotamia
- 9. area where a culture begins and spreads
- 10. refusal to trade with a country
- 11. belief in right of a group to have its own country
- 12. dry riverbed
- 13. tame
- 15. step pyramids
- 17. belief in one god
- 18. area in desert where water seeps to the surface
- 19. desert nomads
- 22. main river of Africa
