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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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What is the average rate of the reaction between 10 and 20 s?
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Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?
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What mass of water is produced from the complete combustion of 5.50×10−3g of methane?...
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