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Across 4. These can function without much water, live in the desert and were used by people to cross it. 8. Fresh water is transported to cities through _______________ 10. Arabia and Iraq have some of the highest rates of population growth driven by __________ and high birth rates. 13. Desert ______________ has some plants 14. the removal of salt from seawater 16. Arabia and Iraq produce more than _________________ of the world's oil 17. This means that most of their people live in cities. 20. surrounded on three sides by water, the Red Sea, the Persian Gulf and the Gulf of Oman 21. Most of Arabia and Iraq is _____________, or an area that receives very little rainfall or snowfall

Down 1. The vast majority of the people of Arabia and Iraq follow this religion 2. __________________ is possible only where there is enough water. 3. one of the two main groups of Islam 5. more than half 6. One of the major rivers in this region 7. This natural resource is in very short supply in this region 9. oil and gas are the remains of living things, they are called ____________ 11. This country has the world’s largest oil reserves and output 12. is a plateau, or raised flat area, that slopes gradually toward the east 15. one of the two main groups of Islam 18. One of the major rivers in this region 19. They fled from Iraq, mostly to Israel, because of discrimination, persecution, and violence 20. Arabia and Iraq are part of the continent of this continent