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Radiocarbon datingalso known as the C14 dating methodis a way of telling how old an object is. It is a type of radiometric dating.

The method uses the radioactive isotope carbon Most organic matter contains carbon. Carbon has different isotopeswhich are usually not radioactive.

This makes it possible to tell the age of kifs that contain carbon. The method works to about 60, years old. Dates obtained are usually written as before present carbon dating definition for kids is Plants take up atmospheric carbon dioxide by photosynthesisand are eaten by animals, so every living thing is constantly exchanging carbon with its environment as long as hassan sex lives.

Once it dies, however, this exchange stops. In Hessel de Vries showed that the concentration of carbon in the atmosphere varies with time and locality.

The relatively short-lived 14 C is constantly renewed by cosmic ray bombardment on atmospheric nitrogen. Since the bombardment is slightly variable, and for other reasons, the 14 C taken into organic matter is also slightly variable.

That leads to errors in the chronology. However, under about 20, years the results can be compared with dendrochronologybased on tree rings. For the most accurate work, variations lids compensated by means of calibration curves.

The method adult escort site developed by Willard Libby and his colleagues at the University of Chicago in Inhe was awarded the Nobel Prize in Chemistry for this work. He carbon dating definition for kids demonstrated the accuracy of radiocarbon dating by accurately estimating the age of wood from an ancient Egyptian royal barge of which the age was known from historical documents.

From Wikipedia, cabon free encyclopedia.

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Carbon Dioxide Information Analysis Center. Retrieved 1 May Utrecht University.

Science Retrieved from " https: Archaeology Carbon Radiometric dating. Namespaces Page Talk. Views Read Change Change source View history.

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