North Africa, Sahara, and Sahel

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Across
  1. 7. feature of North Africa that is about the size of the U.S.
  2. 9. desertification is when land is turning into ___
  3. 10. plural of oasis
  4. 12. the Sahel is a semiarid ___
  5. 13. a long period of time without precipitation
  6. 14. a place with water, in a desert
  7. 16. people whose lifestyle involves frequent travelling
  8. 17. a cultural group in North Africa; blue
  9. 18. to eat grass
  10. 20. land that is not fertile, but not completely barren either
  11. 21. a semiarid grassland on the southern edge of the Sahara
Down
  1. 1. having a lot of variation
  2. 2. to adapt is to ___ because of the situation
  3. 3. nomads who travel to care for their livestock
  4. 4. a pattern of winds that blow towards the equator
  5. 5. range in NW Africa
  6. 6. somewhat dry
  7. 8. to change, in order to succeed
  8. 11. a dry climate is called this
  9. 15. a line of camels travelling through the desert
  10. 19. animal called the "ship of the desert"
  11. 22. a great "sea" of sand