the impossible

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Across
  1. 5. to group together into a crowd
  2. 7. a extended and bitter quarrel between families
  3. 11. a loud blast
  4. 13. a unit used to measure the energy supplied by food
  5. 15. causing mischief naughty
  6. 17. to strongly speak out against someone or something
  7. 18. the area that is black in the center of the eye
  8. 19. to move quickly back and forth
  9. 20. a hard rock
Down
  1. 1. difficult to describe or understand
  2. 2. the space between two surfaces
  3. 3. a person trained or skilled in a sport
  4. 4. sensible
  5. 6. a strong band of tissue in the body that joins the muscle to the bone
  6. 8. reluctant or refusal to believe
  7. 9. unauthorized
  8. 10. to make known
  9. 12. a comical interpretation of a musical or literary work
  10. 14. offensive
  11. 16. attention using word or phrase used by business political party or group