Earth
What was the nationality of the scientist who demonstrated a heliocentric system?
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What was the nationality of the scientist who demonstrated a heliocentric system?
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What might you find on the grass after a cool summer night?
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What chamber do divers go into to prevent a diving sickness called "the bends"?
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Whose concept of erosion cycle dominated geology for 50 years after its release?
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What kind of scientist would study rocks, minerals and mountains?
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