everything earth

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Across
  1. 5. amount of satellites orbiting earth
  2. 6. the greater London areas most popular railway
  3. 8. name of sun earth orbits
  4. 10. earths human population
  5. 12. capital of Canada
  6. 13. earths twin
  7. 14. USA city named after English town in Lincolnshire
Down
  1. 1. largest city in svalbard
  2. 2. where was the compass invented
  3. 3. capital of Zimbabwe
  4. 4. amount of independent countries
  5. 7. largest ocean on earth
  6. 8. number of continents
  7. 9. worlds smallest country
  8. 11. boot shaped European country