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Extremely Hard Science Quiz Even Einstein would scratch his head!
Approximately how many shipwrecks lie on the bottom of the world's oceans?
The tongue of the Blue Whale weighs as much as what?
What year was the first transatlantic fibre-optic cable laid?
Ananke moons can be found orbiting which planet?
Sonar is an acronym for sound navigation and what?
What is the atomic number for magnesium?
Which planet has a day which lasts the equivalent of 176 Earth Days?
What happens to iron oxide in a blast furnace?
Skathi is a moon of which planet?
We selected 3 interesting quizzes for you
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Extremely Hard History Quiz, most people score only 3 out of 10.
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Do you know who these famous people from the 60s and 70s are?
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Do you remember these old cities?