| 1 | Which country has the longest road system? |
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| 2 | From where did the idea of Santa Claus originate? |
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| 3 | Can fish see in the dark? |
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| 4 | Why do flies rub their legs together? |
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| 5 | Can animals understand each other? |
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| 6 | Are there really UFOs? |
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| 7 | Can a porcupine shoot its quills? |
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| 8 | Who designed the Sydney Opera House? |
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| 9 | Compact discs are made of ..... |
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