Spelling Option #6

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Across
  1. 3. Happening or coming immediately
  2. 6. Sensible and realistic in approaching a problem
  3. 9. Moving unsteadily or violently
  4. 11. Of at or forming the Center
  5. 13. Based on or concerned with the law
  6. 14. An underground passage dug by someone or something
  7. 16. Lacking knowledge, information about something
  8. 18. Something attached to an object showing information
  9. 19. A person or thing competing with another
  10. 20. A band of frequencies used in radio and T.V.
Down
  1. 1. Based on reason or logic
  2. 2. Causing discomfort, disagreeable
  3. 4. Far away in space or time
  4. 5. Existing only in part; incomplete
  5. 7. Not present in a place
  6. 8. Natural aptitude or skill
  7. 10. The matter from which a thing is or can be made
  8. 12. Not helping or supporting either side in conflict
  9. 15. Willfully causing pain or suffering
  10. 17. Showing the expected characteristic of a thing