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Across
  1. 2. It is a precision instrument and
  2. 5. discovered tiny
  3. 6. in a thin slice of
  4. 9. studying objects or organisms
  5. 10. microscope in 1665
  6. 13. invisible or slightly visible to
  7. 15. He was the first to observe
  8. 16. used his improved
  9. 17. used tool by scientists
Down
  1. 1. started experimenting
  2. 3. yeasts, red blood cells,
  3. 4. light microscope.hygdyg
  4. 7. described colonies of
  5. 8. naked eye. ghags
  6. 10. magyha
  7. 11. teeming in a drop of
  8. 12. lenses; they have made a
  9. 14. important invention - a
  10. 18. even parts of organisms that