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Extremely Hard Science Quiz Even Einstein would scratch his head!
Which of these elements' chemical symbols comes first alphabetically?
Which two elements combine to make ammonia?
In 1631 Pierre Gassendi made the first telescopic observation of which planet?
The Cassini-Huygens probe was sent to visit which planet?
When was the element bohrium discovered?
How many times hotter than the sun is a lightning bolt?
Which of these animals has near-UV vision?
A group of jellyfish is called what?
Atlas is a moon of which planet?
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