HYGIENE

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Across
  1. 3. Keeping the surroundings
  2. 5. A chemical liquid that destroys bacteria
  3. 7. Rubbish or waste
  4. 9. To make something impure or unsuitable
  5. 10. A very small organism that causes a disease
Down
  1. 1. An illness
  2. 2. When another organism enters your body
  3. 4. Unavoidable danger
  4. 6. A chemical substance for removing dirt
  5. 8. Getting rid of by throwing away