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Question 1/20
What US state is nicknamed "The Silver State"?
Image credit: Ken Lund from Reno, Nevada, USA, CC BY-SA 2.0, via Wikimedia Commons
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Word wise: Can you define all these terms?
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Take the challenge: Inventions and discoveries that changed the world!
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These 20 items can be found in most bathrooms. Can you recognize them?
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