General knowledge ish

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Across
  1. 6. Darwin award winner
  2. 7. Dangerous element
  3. 11. deepest point on earth
  4. 12. Animal with terrible self defence
  5. 14. security device
  6. 15. mode of transport
Down
  1. 1. fastest car theoretical speed
  2. 2. Largest known star
  3. 3. the late queens name
  4. 4. Hardest triatalon
  5. 5. country with light blue flag
  6. 8. currency
  7. 9. Highest point from the center of earth
  8. 10. Not recoginzed country
  9. 13. first ship to reach america