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Extremely Hard Science Quiz Even Einstein would scratch his head!
When was the element bohrium discovered?
Which planet is name after the Roman God of Wealth?
What is the largest sea fish?
Lobate Scarps are a feature of which planet?
How many types of sea urchin are there?
In physics, what property of an object is calculated by its mass times its velocity?
What is the term for a molecule with both a positive and a negative charge?
What is the atomic mass of oxygen?
What name is given to a substance which reacts with an acid to form a salt plus water?
How long can a dolphin stay under water?
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