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My Answered Questions
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how does the world know the time ?
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How many days does it take to get to the moon ?
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How do scientists know how to make a flu vaccine if viruses can be different every year?
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How do scientists know how to make a flu vaccine if viruses can be different every year?
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what made you want to Exam bacteria found in hospitals and finding out if they could cause disease?
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What made you interested in how infants respond to vaccines, and how do you find out from infants ?
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What’s the difference between bacteria and virus?
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What’s the difference between bacteria and virus?
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Why does the sun make your skin dark but your hair light?
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How do scientists know how to make a flu vaccine if viruses can be different every year?