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Extremely Hard Science Quiz Even Einstein would scratch his head!
What is the oldest a seahorse can live?
What is the pH value of washing soda?
In physics, which Greek letter is used to denote wavelength?
Which number group in the Periodic Table contains oxygen?
Ananke moons can be found orbiting which planet?
Skathi is a moon of which planet?
What is Hg the chemical symbol for?
Dogs' unique relationship with humans mean they are referred to as man's best what?
Which two elements combine to make ammonia?
Which planet has a day which lasts the equivalent of 176 Earth Days?
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