Photosynthesis

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Across
  1. 2. a form of sugar
  2. 4. the adjective of gas
  3. 8. carbon ...
  4. 9. opposity of fast (adverb)
  5. 11. plants that live underwater
  6. 12. a series of different steps to complete an action/goal
  7. 14. adjective of chemistry
  8. 15. the act of gaining electrons
  9. 18. to give
  10. 21. phénomène
  11. 24. opposite of processed
  12. 25. an animal that eats meat
Down
  1. 1. the act of keeping at sth
  2. 3. part in a plant in which photosynthesis takes place
  3. 5. synonym of artificial
  4. 6. vanish (disparaitre)
  5. 7. to use or eat
  6. 10. an animal that eats plants
  7. 13. a group of atoms
  8. 16. a negatively charged subatomic particle
  9. 17. can be considered a wave and a particle
  10. 19. the act of losing electrons
  11. 20. period of 100 years
  12. 22. place too much importance onto sth
  13. 23. empty (vide)