Crossword Challenge

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Across
  1. 4. Some people have it while reading a book
  2. 6. Study of root of words
  3. 10. Northern Lights
  4. 11. A state in the US nicknamed The Golden State
  5. 13. The rise and fall of oceans
  6. 15. Opens with a letter opener
  7. 16. Boxer's weapon
  8. 17. Weapon shorter than a sword but taller than a knife
  9. 18. Roof of the World
  10. 20. A grammatical term as well as a composition
Down
  1. 1. Imbalance of ________ can lead to Bipolar Disorder
  2. 2. National Sport of India
  3. 3. Objects to remind you of your travels
  4. 5. Can be used to open bottles and be a keychain
  5. 7. Nightingale of India
  6. 8. Some are electric
  7. 9. When do you break a leg?
  8. 12. How old was Cedric Diggory when he died?
  9. 14. Which mountain was the tallest before Mount Everest was discovered?
  10. 19. Fire Remnants