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Extremely Hard Science Quiz Even Einstein would scratch his head!
Scampi is a form of what?
To the human eye objects are magnified by how much underwater?
Yogurt is produced by bacterial fermentation of what?
How many times hotter than the sun is a lightning bolt?
Which planet is the smallest of the "Gas giants"?
What is the pH value of washing soda?
In 1693 Giovanni Zupi observed that which planet actually orbited the sun?
Which of these animals has near-UV vision?
What place in the ocean contains the most sea life?
Which of the following is not a greenhouse gas?
We selected 3 interesting quizzes for you
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Math Quiz
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Extremely Hard History Quiz, most people score only 3 out of 10.
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Do you remember these old cities?