antibiotic in human nose

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Across
  1. 3. continuing to develop or exist
  2. 4. ungentle and unpleasent in action or effect
  3. 7. a large number of something
  4. 9. an abundant origin
  5. 10. to be contaminated or tainted with
  6. 11. proof coming before more important action
  7. 13. something formed by combining parts, elements
  8. 14. to exert power or influence on
  9. 15. generally known for a particular trait
  10. 16. to hinder, restrain an action
  11. 18. to live or stay as a permanent resident
Down
  1. 1. to remove destroy utterly
  2. 2. to produce via (chemical) reaction
  3. 5. the power to oppose or withstand
  4. 6. intense contest for some prize
  5. 8. not like anything seen before
  6. 10. to not have enough of something anymore
  7. 12. put to use on something
  8. 17. without power or desire to do bad