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Extremely Hard Science Quiz Even Einstein would scratch his head!
Which planet has a day which lasts the equivalent of 176 Earth Days?
Sonar is an acronym for sound navigation and what?
What do chromosomes carry?
Which planet is known as The Bringer of Old Age?
The gravity on the moon is what fraction of the gravity on Earth?
What is the atomic mass of oxygen?
The pearl is the birthstone for which star sign?
In physics, which Greek letter is used to denote wavelength?
What name is given to horizontal rows of elements in the Period Table?
What happens to iron oxide in a blast furnace?
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