Do you know for sure?

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10 Questions - Developed by: - Developed on: - 4,873 taken

Think you are certain about answers to questions that deal with little known facts?

  • 1
    Liquid gold was briefly used in the 16th century to cure tuberculosis
  • 2
    In physics, gravity is a force that "pushes" rather than "pulls"
  • 3
    A bad dream can only technically be labeled as a "nightmare" if it causes you to wake up.

  • 4
    A ducks *quack* does not echo at all
  • 5
    The first derivation of what we know as "pizza" can be traced back to ancient Indonesia
  • 6
    There was only 1 female smurf

  • 7
    Pong was the first video game invented
  • 8
    The sky appears blue sometimes because it is reflecting the vast ocean expanse on the Earth's surface
  • 9
    George Washington chopped down a cherry tree
  • 10
    Starfish don't have brains

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