Saturday, March 29, 2014

Evoblog 12 Weblab Dating

Scientists often use carbon dating to find the age of a certain object that cannot be determined through normal means. Carbon dating is the discovery of an age of an organic object from carbon isotopes that are relatively proportioned into carbon-12 and carbon-14. The ratio between the two carbon isotopes changes as the radioactive carbon-14 gains a neutron from nitrogen-14 but decays in dating and is not replaced by exchange with the atmosphere. The carbon-14 decays back to nitrogen to be used again as it is put bakc into the atmosphere. Carbon dating is only applicable to matter that was once living to be in equilibrium with the atmosphere by taking in carbon dioxide. Since all organic matter contain decaying carbon-14 in them when they die because carbon does not regenerate. The decaying carbon-14 allows scientists to be able to tell when the animal died thus enabling them to decipher their age.



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