World Geography

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Across
  1. 1. a natural underground chamber in a hillside
  2. 5. sphere The realm of all living things
  3. 8. half the Earth's surface
  4. 11. a representation of land, rivers and etc.,
  5. 12. the envelope of gases surrounding the earth
  6. 13. An instrument used for navigation
Down
  1. 2. a sudden violent shaking of the ground
  2. 3. a natural watercourse
  3. 4. a big salt water body
  4. 6. subcontinental land that is surrounded by water
  5. 7. a book that has maps
  6. 9. Zero degrees latitude.
  7. 10. densely covered with trees