melah8Mckimuna melah8Mckimuna

29-05-2016
Biology

contestada

Scientists were able to determine the age of the earth from rock samples that were analyzed.

What technique was used to do this?

A.
fossil records <--- thats what i think

B.
radiometric dating

C.
extinction

D.
geologic time scale

Respuesta :

isaackz97 isaackz97

03-06-2016

B. Radiometric dating. A method to determine absolute age.

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VestaHofman VestaHofman

25-03-2019

Answer: B. radiometric dating

Radiometric dating is an aging process which is used to age rocks and other objects associated with them. This is based upon the decay process of radioactive isotopes present in the rocks. The radioactive decay is the process in which an unstable nucleus loses it's energy in the form of emerging radiation. The age of the typical rock is determined by the half life of the decayed products.

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