![]() ![]() When the organism dies, however, C-14 is no longer replenished and the ratio of C-14 to C-12 decreases as C-14 atoms decay.The ratio of C-14 to C-12 remains constant as long as the organism is alive, since C-14, though decaying, is constantly replenished.The carbon is passed onto animals when they eat the plants. Through photosynthesis, plants absorb carbon in the form of carbon dioxide.C-14, making up a tiny percent, is radioactive, spontaneously decaying into nitrogen.Carbon has three naturally-occurring isotopes.Chattarji, D./wiki/Beta_decay Carbon Dating (Electron Emission Beta Decay) Burhop, E.H.S., Cambridge Monographs on Physics, 1952 ^ "The Auger Effect and Other Radiationless Transitions".International Journal of Materials Research. "Pierre Auger – Lise Meitner: Comparative contributions to the Auger effect". Auger: Sur les rayons β secondaires produits dans un gaz par des rayons X, C.R.A.S. "Über die Entstehung der β-Strahl-Spektren radioaktiver Substanzen". ![]()
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