Chapter 21

4. al-Khali/ largest contiguous sand desert in the world, encompassing most of the southern third of the Arabian Peninsula
7. Heights/ a hilly plateau over looking the Jordan River and the Sea of Galilee
8. an industrial installation where a substance is refined.
11. the longest and one of the most historically important rivers of Western Asia
12. Power/ term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water.
13. Gulf/ extension of the Indian Ocean through the Strait of Hormuz and lies between Iran to the northeast and the Arabian Peninsula to the southwest.
15. land or a climate) having little or no rain; too dry or barren to support vegetation.
16. Irrigation/ form of irrigation that saves water and fertilizer by allowing water to drip slowly to the roots of many different plants
17. Flat/ areas of flat land covered with a layer of salt
19. a fertile spot in a desert where water is found.

1. Oil/ unrefined petroleum.
2. Lut/ known as the Loot Desert, is a large salt desert in Kerman and Sistan and Baluchistan Province, Iran and is the world's 25th largest desert.
3. eastern member of the two great rivers that define Mesopotamia
5. a valley, ravine, or channel that is dry except in the rainy season
6. Climate/ a climate distinguished by warm, wet winters under prevailing westerly winds
9. The removal of salt or other chemicals from something, such as seawater or soil.
10. Dead Sea/ bordering Israel, the West Bank and Jordan is a salt lake whose banks are more than 400m below sea level, the lowest point on dry land
14. River/long river in the Middle East that flows roughly north to south through the Sea of Galilee and on to the Dead Sea
18. Water/ water that has been contained in some undisturbed space, usually groundwater in an aquifer,