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Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?
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An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
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If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted
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Sharpening a pencil leaves behind pencil shavings. is sharpening a physical or chemical change...
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