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Carbon-14 originates in the upper atmosphere of the earth and is created when neutrons originating from solar radiation bombardment collide with nitrogen in the air.A reaction occurs and a tiny number of these collisions convert nitrogen to carbon-14.Since it is radioactive, it gradually fades away by radioactive decay until it is all gone.Radiocarbon dating uses carbon-14 to determine the last time something (or someone) was alive.After 50,000 years, a fossil won’t have any radiocarbon left in it.Carbon-14 will have all disappeared by radioactive decay.

Although carbon-14 is radioactively decaying away in the body, it is constantly being replaced by new photosynthesis or the ingestion of food, leaving the amount relatively constant.Call (305) 662-7760 or fill out our sample form today if you’re ready to send samples for testing.This discussion is a simplified introduction to radiocarbon dating.Radiocarbon, or carbon-14 (also written as C), is an isotope of carbon that is unstable and weakly radioactive.Carbon-14 is present in all living things in minute amounts.

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