Is carbon dating exact
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Carbon 14 C , or radiocarbon , is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons. Its presence in organic materials is the basis of the radiocarbon dating method pioneered by Willard Libby and colleagues to date archaeological, geological and hydrogeological samples. Its existence had been suggested by Franz Kurie in The primary natural source of carbon on Earth is cosmic ray action on nitrogen in the atmosphere, and it is therefore a cosmogenic nuclide. However, open-air nuclear testing between and contributed to this pool. The different isotopes of carbon do not differ appreciably in their chemical properties.
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How do scientists figure out how old things are?
Is Carbon Dating Reliable? Creation evolution debate | lindknud.info
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Is Carbon Dating Accurate?
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Yes, with certain limitations. We can determine the first date of commercial availability of the ink used to prepare any handwritten or handprinted material. The type of ink does not preclude this examination. If the initial date of commercial availability is more recent than the supposed date of the examined writing, then the document is not what it purports. We cannot, however, through this technique, determine the specific or even approximate date of preparation.