Science
What is Neptune's period of revolution around the Sun?
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Which planet is named for the Roman goddess of love?
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Who is credited with creating the "Big Bang Theory"?
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How many stages of metamorphosis does a grasshopper have?
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What is the proper name for a "sundog", or an atmospheric optical phenomenon?
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Which of these is defined as "part of the electromagnetic spectrum that contains visible light"?
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How do scientists refer to the direction from which the wind is blowing?
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Who is credited with identifying HIV as the cause of AIDS?
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