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Extremely Hard Science Quiz Even Einstein would scratch his head!
CO2 is the chemical formula for which gas?
What is the largest sea fish?
Which of these elements' chemical symbols comes first alphabetically?
The anal fin can be found where on a fish?
What must an element readily gain or lose in order to be classed as 'reactive'?
Which of these animals has near-UV vision?
Janus is a moon of which planet?
What place in the ocean contains the most sea life?
In chemistry, what is the island of stability?
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