General Knowledge

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Across
  1. 6. Capable of being dissolved
  2. 7. The heavens
  3. 8. Quickly undo (clothing)
  4. 9. Part of an oar
  5. 11. Throbbed with pain
  6. 12. Scrabble piece
  7. 13. Chewing of the cud
  8. 16. Curl up in a warm place
  9. 17. Pouring down
  10. 19. Servitude, bondage
  11. 21. Extra, left over
Down
  1. 1. Whirlpool hot tub
  2. 2. Coverage against loss
  3. 3. Officers of the law
  4. 4. Made from pottery
  5. 5. First part of what you are called
  6. 8. Manipulator
  7. 10. Chain of rocks near the shore
  8. 14. Not the same
  9. 15. Holiday business
  10. 18. Lawn tidying tool
  11. 20. Reddish-brown due to corrosion