Problem: What common mineral's name (technically silica or SiO2) derives from old Polish-German 'kwardy', meaning 'hard'?
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A: quartz

Q: Which German philosopher wrote Critique of Pure Reason?
A: immanuel kant

Problem: In a 2009 article in The Economist, which late artist was described as the 'bellwether of the art market', referring to a painting of his which was sold in 1963 for $100 million?
Answer: andy warhol

Q: During World War II, the German 'Operation Hercules' was a plan to invade which island?
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A: malta

Q: Which planet has 687 Earth days to one year?
What is the answer?

A: mars

Problem: The turkey bird, named mistakenly after the country Turkey, originated in?
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A:
mexico