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The half-life of an element is 8 days. If you start with 80g of the sample, how much will be left after 64 days?
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How did the movement of soldiers during world war 1 contribute to the global influenza (flu) pandemic of 1918 to 1919, which killed millions of people
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The half-life of an element is 8 days. If you start with 80g of the sample,
how much will be left a...
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