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Across
  1. 2. a compound of (Fe) and (C), Chemistry
  2. 4. vroom vroom
  3. 5. Wright Bros
  4. 8. something that you're using to search for the answers in this crossword game.
  5. 12. animal domestication / planting crops
  6. 13. Login, Log out. You use this everyday
  7. 14. synonym of speech
  8. 15. back to 400,000 BC, very first innovation
  9. 17. in your wallet right now
Down
  1. 1. a negatively charged subatomic particle, discovered in 1897
  2. 2. water transport
  3. 3. metal that is used widely in 3000 BC
  4. 6. the Chinese invented this.
  5. 7. bzzt, you just got electrocuted
  6. 9. why is it so bright right now?
  7. 10. people listen to overplayed songs using this
  8. 11. cars have them
  9. 16. discovered in Cambridge University as the " the secret of life" by James Watson and Francis Crick