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Extremely Hard Science Quiz Even Einstein would scratch his head!
What percentage of marine fish species inhabit coral reefs?
Which planet possess a ring entitled Egalite 1?
Janus is a moon of which planet?
When was the element bohrium discovered?
Longitudinal waves show areas of compression and what else?
Which of these elements' chemical symbols comes first alphabetically?
Which planet is known as The Bringer of Old Age?
How many types of sea urchin are there?
What colour is the mineral beryl when it contains chromium?
When atoms join together what do they form?
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