West of the Mississippi Physical Features

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Across
  1. 4. Mountains peaks called "Mountains of the Moon"
  2. 6. power production of electricity through the use of falling water
  3. 7. Plain one of the hottest and driest places on earth
  4. 8. longest river in the world
  5. 9. to be made up of
Down
  1. 1. energy energy that comes from underground heat sources
  2. 2. Rift Valley most unusual feature of East Africa's physical geography
  3. 3. process by which agricultural land is turned into desert
  4. 5. tallest mountain in Africa
  5. 9. land of a thousand hills