Einstein A

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Across
  1. 3. a place to live up high
  2. 5. went really fast
  3. 6. like a hard math problem
  4. 8. mountains of sand
Down
  1. 1. so ugly that it's scary
  2. 2. a place with little water
  3. 4. small bushes
  4. 7. a group of people