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The scientist had a second sample of the radioactive material. The scientist made appropriate measurements, then calculated the half-life of each sample. Why was the half-life calculated from the second sample slightly different from the half-life calculated from the first sample? [1 mark] Tick () one box. Radioactive decay is a random process. The count-rate from a radioactive sample is predictable. The samples were at different temperatures. The size of each sample was different
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