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26 March, 07:38

Which best describes radiometric dating?

A: Measures the amount of radioactive materials in a sample.

B: Measures the breakdown of radioactive materials in a sample.

C: Measures the accumulation of radiometric materials in a sample.

D: Measures radiometrics.

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Answers (2)
  1. 26 March, 09:03
    0
    The answer is; B

    Rocks have naturally occurring and spontaneously radioactive atoms in them, such as carbon-14. These element isotopes decay into other types of atoms over millions of years. Therefore, by measuring the amount of these radiometric substances, and knowing the half-life of the isotopes, it is possible to postulate the age of a rock to within certain ranges of error.
  2. 26 March, 09:40
    0
    i think the correct answer is B

    its the action in that a radioactive isotope tends to break down into a stable isotope
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Home » Biology » Which best describes radiometric dating? A: Measures the amount of radioactive materials in a sample. B: Measures the breakdown of radioactive materials in a sample. C: Measures the accumulation of radiometric materials in a sample.
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