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Radioisotope dating (also referred to as radiometric dating) is the process of estimating the age of rocks from the decay of their radioactive elements.

There are certain kinds of atoms in nature that are unstable and spontaneously change (decay) into other kinds of atoms.

The geologic time scale provides evidence of some of the major events that have helped to shape our planet.Proponents of evolution publicize radioisotope dating as a reliable and consistent method for obtaining absolute ages of rocks and the age of the earth.This apparent consistency in textbooks and the media has convinced many Christians to accept an old earth (4.6 billion years old).More recently, older mineral deposits have been dated to about 4.4 billion years old, close to the best estimate of the age of earth. He was a member of the Connecticut Academy of Arts and Sciences.In his later days, Boltwood suffered from depression and committed suicide on August 15, 1927.

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