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Extremely Hard Science Quiz Even Einstein would scratch his head!
Which planet is referred to as being Cronian?
In 1977, the first complete DNA genome sequenced was that of a what?
What is the daily recommended (kilo) calorie intake for an adult female?
Which of these is NOT an organic compound?
What year was the first transatlantic fibre-optic cable laid?
When was the element hassium discovered?
Electron configuration was first conceived by which model?
Complete the name of a famous feature on Mercury "The Caloris _____"?
The solid state of water is known as what?
What is the pH value of seawater?
We selected 3 interesting quizzes for you
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Who sang these songs from the 20s?
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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?