Answered

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What is the age of a rock containing 25% Uranium-235 and 75% Lead-207?

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Final answer:

Uranium isotopes decay into lead isotopes, allowing the estimation of rock ages through isotope ratios.


Explanation:

Uranium-238 decays into Lead-206 over time. By comparing the amounts of these isotopes in a rock, we can estimate its age. The ratio of Uranium-235 to Lead-207 can be used for dating rocks as well.


Learn more about Radioactive dating of rocks here:

https://brainly.com/question/12000159


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