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Who was the first person to propose that atoms existed?
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Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Alarge marble is dropped in a graduated cylinder with 35ml of water in it. the water level increases to 49ml. what is the volume of the marble
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What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
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Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?
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Who was the first person to propose that atoms existed?...
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