Bethany Trude

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Across
  1. 4. removal of all contaminants
  2. 5. single celled organism
  3. 8. caused by an itch mite
  4. 10. quaternary ammonium compounds
Down
  1. 1. harmless to humans
  2. 2. motility
  3. 3. aquired immune deficency
  4. 6. ability to destroy infection
  5. 7. they grow and feed on another organism
  6. 9. mold and mildew