General Knowledge

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Across
  1. 3. Human body's largest organ
  2. 7. Red Planet
  3. 11. Author of Hamlet
  4. 12. Tallest mountain in the world
  5. 14. Chemical symbol for gold
  6. 15. Hardest natural substance
Down
  1. 1. National sport of Japan
  2. 2. Largest ocean on Earth
  3. 4. Largest planet in our solar system
  4. 5. Capital city of France
  5. 6. Gas essential for breathing
  6. 8. Fastest land animal
  7. 9. Currency of Japan
  8. 10. Inventor of the telephone
  9. 13. Smallest prime number