Relative dating uses observation of location within rock layers, while radiometric dating uses data from the decay of radioactive substances within an object. Relative dating observes the placement of fossils and free dating pof okcupid in layers how does relative dating differ from radiometric dating of fossils as strata.
Relative dating helps determine what came first and what followed, but doesn't help determine actual age. Radiometric dating, or numeric dating, determines an actual or approximate age of an object by studying the rate of decay of radioactive isotopes, such as uranium, potassium, rubidium and carbon within that object. Radiometric dating--the process of determining the age of rocks from the decay of their radioactive elements--has been in widespread use for over half a century.
Relative dating is used to determine the relative ages of geologic strata, artifacts, historical events, etc.
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