Science

What scientist discovered that sunspots occur in an eleven-year cycle?

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What are many cells that form together to provide a certain function called?
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Which state saw the first self-sustaining nuclear chain reaction in 1942?
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Which of these is a factor that is tested in the scientific method?
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A unit of electromotive force is called what?
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How many forms are in the Wing Chun system?
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Which planet has a great red spot that is probably a large storm?
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What is the speed of sound called?
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