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Carbon-14 is present in all living things in minute amounts.Since it is radioactive, it gradually fades away by radioactive decay until it is all gone.

This carbon-14 immediately starts to radioactively decay but is constantly being recreated.

Carbon-14 is created from nitrogen-14 in the upper atmosphere of the earth.

Radiation from the sun collides with atoms in the atmosphere.

Carbon is the basis of life and is present in all living things.

Radiocarbon, or carbon-14 (also written as C), is an isotope of carbon that is unstable and weakly radioactive.

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