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Inventions

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  • Which year was the microscope invented? (1690/1590/1490)
    1590
  • Which year was the wheel around invented? (3500 BC/ 2500 BC)
    3500BC
  • Which year of the invention: internet (1968/1969/1970)
    1969
  • Which year was the braille invented? (1829/1828/1827)
    1829
  • Which year was the light bulb invented? (1906/1907/1908)
    1906
  • Which year was the printing invented? (1439/1440/1441)
    1440
  • Which year was the thermometer invented? (1591/1592/1593)
    1593
  • Which year was the refrigerator invented? (1850/1848/1849)
    1850
  • Which year was the paper invented? (10/100/1000)
    100
  • Which year was the telephone invented? (1876/1877/1878)
    1876
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