Science
What is the opening of a lens, which controls the amount of light?
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The definition of "process of removing salts from water using a membrane" best fits which science term?
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Who discovered that a moving magnet generates electric current known as electromagnetic induction?
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Which planet has a great red spot that is probably a large storm?
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About how many days does it take for the moon to pass through all phases?
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Energy return of a radar signal after it has hit the target best fits which science term?
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