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Extremely Hard Science Quiz Even Einstein would scratch his head!
What percentage of marine fish species inhabit coral reefs?
Aoede and Iocaste are moons of which planet?
What must an element readily gain or lose in order to be classed as 'reactive'?
Which waves can be transverse or longitudinal?
The tongue of the Blue Whale weighs as much as what?
What is the rarest penguin in the world?
Which of these surfaces is reflective?
Epoch J2000 refers to which planet?
The animal known as Injaz was the world's first ever clone of what animal?
What name is given to a substance which reacts with an acid to form a salt plus water?
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Extremely Hard History Quiz, most people score only 3 out of 10.
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We bet you don't know a thing about who invented these things!
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Try this Proverbs quiz and see if you can find the missing word!