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Extremely Hard Science Quiz Even Einstein would scratch his head!
Protons and neutrons have approximately the same what?
Epoch J2000 refers to which planet?
Approximately how many shipwrecks lie on the bottom of the world's oceans?
A stegosaurus had which of these?
The Benguela current is in which ocean?
Ananke moons can be found orbiting which planet?
In degrees Celsius, at what temperature does the sea start to freeze?
What type of wave is sound?
When was the element ununbium discovered?
What is the second most abundant element in the Universe?
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