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By looking at the ratio of carbon to carbon in the sample and comparing it to the ratio in a living organism, it is possible to determine the age of a formerly living thing fairly precisely.The ratio of carbon to carbon at the moment of death is the same as every other living thing, but the carbon decays and is not replaced.This restriction extends to animals that consume seafood in their diet.As stated previously, carbon dating cannot be used on artifacts over about 50,000 years old.Also, many fossils are contaminated with carbon from the environment during collection or preservation procedures.Scientists attempt to check the accuracy of carbon dating by comparing carbon dating data to data from other dating methods.
Find extra points for a parabola quadractic equation How To: In the case of radiocarbon dating, the half-life of carbon 14 is 5, years.Suppose a bag contains 7 blue chips and 3 gold chips.Potassium is another radioactive element naturally found in your body and has a half-life of 1. Carbon dating is based upon the decay of 14 C, a radioactive isotope of carbon with a relatively long half-life years.This rules out carbon dating for most aquatic organisms, because they often obtain at least some of their carbon from dissolved carbonate rock.The age of the carbon in the rock is different from that of the carbon in the air and makes carbon dating data for those organisms inaccurate under the assumptions normally used for carbon dating.
The question should be whether or not carbon-14 can be used to date any artifacts at all? There are a few categories of artifacts that can be dated using carbon-14; however, they cannot be more 50,000 years old.