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Extremely Hard Science Quiz Even Einstein would scratch his head!
The solid state of water is known as what?
What is the pH value of seawater?
How long can a dolphin stay under water?
Sonar is an acronym for sound navigation and what?
What percentage of marine fish species inhabit coral reefs?
In chemistry, what is the island of stability?
The wreck of The Umbria lies in which sea?
What is the most abundant pure element in the Earth's atmosphere?
Which planet is the smallest of the "Gas giants"?
What year was the first transatlantic fibre-optic cable laid?
We selected 3 interesting quizzes for you
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Who sang these famous pop songs?
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Who or what am I?
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Everybody likes music, but how much do you know about it?