Problem: Toronto, Canada, is on the northern shore of which lake?
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A: ontario

Problem: Which is the only continent through which pass both the Tropic of Capricorn and the Tropic of Cancer?
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A: africa

Problem: After Sir William Herschel observed Uranus on 13 March 1781 while in the garden of his house in Bath, England, he reported it as a what?
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A: comet

Problem: In which European capital is Bromma Airport?
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A:
stockholm