Answer:
radiometric dating
Explanation:
Some minerals in rocks and organic matter for example bones and shells can contain radioactive isotopes. Any of parent and daughter isotopes in a sample can be measured and used to determine their age. This is known as radiometric dating.
I think it's viendo... Give me about 15 min. I don't want to incorrectly advise you
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I would use el subjontivo : vayan a estudiar
