Arctic & Antarctic

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Across
  1. 1. ...mines are important for the Arctic industry
  2. 4. appearance of colorful light in the sky
  3. 10. a large North American reindeer
  4. 11. A synonym for very cold
  5. 12. Scandinavia, Istria and Crimea are examples for...
  6. 14. The first inhabitants of the Arctic were…
  7. 15. Ocean ... are responsible for the milder temperatures at the Arctic
Down
  1. 1. Vienna is located at the 48th...
  2. 2. A sledge used traditionally for polar expeditions
  3. 3. A synonym for melting
  4. 5. The sun reaches its max./min. declination
  5. 6. Europe is located at the northern...
  6. 7. Layer of soil that remains below freezing point throughout the year
  7. 8. A mass of ice and snow that permanently covers a large area of land
  8. 9. A bird species living in the Arctic
  9. 13. The amount of water vapour in the atmosphere