a crossword puzzle......

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Across
  1. 2. A person who studies the regions of the earth
  2. 4. piece of land
  3. 5. a hollow stone
  4. 6. The science of the earth
  5. 7. surrounded by land
  6. 9. The study of the earth
Down
  1. 1. underground
  2. 3. out of this world
  3. 8. cotta brownish-red pottery