Question

you have examined a rock that has 6/10 (60%) non radioactive isotopes. Estimate how old the rock is?​

Answer 1

Answer:

Explanation: Radioactive isotopes are unstable and will decay. For example, when humans die carbon-14 decays. ... Scientists can tell how old the rock was from looking at the radioactive isotope's half-life, which tells them how long it would take for there to be half the radioactive isotope and half the stable isotope

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