geography!

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Across
  1. 2. people that live in one spot
  2. 4. a group of people that share beliefs
  3. 6. normally dry and always super flat
  4. 7. where elevation changes fast
  5. 8. people that don't live in one spot for long
Down
  1. 1. original settlers of a region
  2. 3. area of thin land that sticks out
  3. 5. higher you climb on a mountain what increases?