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Korvikt [17]
2 years ago
8

A geologist uses relative dating methods to guess that a rock is between 1 million and 5 million years old. What is one radioact

ive isotope the geologist can use to learn the exact age of the rock?​
Biology
1 answer:
vovangra [49]2 years ago
5 0

Answer:

Scientists usually use the potassium-argon method to date rocks that are older than about 1 million years. Uranium-238 is also used for radiometric dating. It has a half-life of 4.5 billion years. It decays to produce lead-206.

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