Everyday Science
Ring of Fire ocean?
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Electronic device used as switch/amplifier is?
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The Planet which revolves slowly around the Sun is__________?
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The light rays used for eliminating bacteria?
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The major ingredient of leather is__________________?
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What charge card, developed in 1950, was the first to be accepted nationally in the US?
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Myopia corrected by?
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Water soluble vitamins are _________?
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MRI uses?
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