geography words

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Across
  1. 2. amount of people in world
  2. 3. another world for animals
  3. 5. the main city of country
  4. 7. the world
  5. 8. the height of an object or point in relation to sea level or ground level.
  6. 10. 71% of the world
  7. 12. what you use for directions
Down
  1. 1. the angular distance of a place east or west of the Greenwich meridian
  2. 3. another world for nature
  3. 4. tectonic plates
  4. 6. another word for dirt
  5. 9. knowledge concerned with the production,
  6. 11. people ancestry/history