df

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Across
  1. 3. Something without risk
  2. 6. Molecule composed of two polynucleotide chains
  3. 8. Something created by the human
  4. 9. Someone who study science
  5. 11. Thing that work at the place of human because it cost less
  6. 13. coil around each other
  7. 15. Best friend of the human
  8. 17. Something completely new, amazing
  9. 20. To find something new
  10. 21. Suit of armor that enhance human
Down
  1. 1. Something that will appear in dozen of years or
  2. 2. Place were people do experiment
  3. 4. Something that chance as time go on
  4. 5. Something that was created and is new
  5. 7. It scare people
  6. 10. Something that will never heal
  7. 12. Something that never die
  8. 14. To make something better
  9. 16. Part of the body of a human being
  10. 18. Exchange something by an other thing
  11. 19. Someone who created something new