Radiocarbon dating definition wikipedia who is jo frost dating

By anyone's standards, 50 billion years is a long time.

Radiometric dating, or radioactive dating as it is sometimes called, is a method used to date rocks and other objects based on the known decay rate of radioactive isotopes.Carbon-14 combines with oxygen to create carbon dioxide.Because plants use carbon dioxide for photosynthesis, this isotope ends up inside the plant, and because animals eat plants, they get some as well.This provides a built-in cross-check to more accurately determine the age of the sample.Uranium is not the only isotope that can be used to date rocks; we do see additional methods of radiometric dating based on the decay of different isotopes.

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