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Physics, 24.04.2021 01:00 student176

students have two samples of uranium that they know were pure at some point in the past, and they wanted to determine which sample is older. an analysis reveals the percentage of uranium-238 and lead 206 contained in each sample, as shown in the circle graphs. based on these data as well as the uranium 238 decay series, which sample can the students conclude is older?

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