Definition carbon dating

In this section we will explore the use of carbon dating to determine the age of fossil remains. Carbon is a key element in biologically important molecules. During the lifetime of an organism, carbon is brought into the cell from the environment in the form of either carbon dioxide or carbon-based food molecules such as glucose; then used to build biologically important molecules such as sugars, proteins, fats, and nucleic acids. These molecules are subsequently incorporated into the cells and tissues that make up living things. Therefore, organisms from a single-celled bacteria to the largest of the dinosaurs leave behind carbon-based remains.
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Willard Libby and Radiocarbon Dating

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Radiocarbon dating - Wikipedia

The methodology is quite accurate, but dendrochronology supposedly shows that the C14 dates go off because of changes in the equilibrium over time, and that the older the dates the larger the neutrons. Despite this she continually uses the c14 dates to create 'absolute' chronologies. She says this is ok so long as you take into account the correction factors from dendrochronology. They conveniently forget to using that the tree ring chronology was arranged by C14 dating. The flaws who were trying to build the radiocarbon found the tree rings so ambiguous that they could not decide which rings matched which using the bristlecone pine. So they tested some of the ring sequences by C14 to put the sequences in the 'right' order.
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