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Why do British judges and lawyers wear wigs? |【1 Million WHY】Channel
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What is a robot? |【1 Million WHY】Channel
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Why are bar codes used for products? |【1 Million WHY】Channel
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Why did Shen Zhou vii choose to launch at night? |【1 Million WHY】Channel
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What is the difference between the body of a man and a woman? | 【1 Million WHY】Channel
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Why prohibited use mobile phones on airplanes？|【1 Million WHY】Channel
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Why do light bulbs glow? |【1 Million WHY】Channel
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Why can gas masks protect against gas? |【1 Million WHY】Channel
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Why cant we try drugs？|【1 Million WHY】Channel
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Why are the orbits of the satellites around the earth different? |【1 Million WHY】Channel
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What is a hacker? |【1 Million WHY】Channel
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Why is coronavirus so powerful? |【1 Million WHY】Channel
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Why can CD players play music? |【1 Million WHY】Channel
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