Problem: Which London borough was granted Royal Borough status marking the Queen's Silver Jubilee?
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A: greenwich

Problem: What name is given to the phenomenon when light bends as it passes from one medium to another e.g. from air to water?
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A: refraction

Problem: The Royal Mews are part of which London building
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A: buckingham palace

Problem: What is traditionally thrown into the Trevi Fountain, Rome
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A:
coins