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Radiocarbon Dating

Mr. Andersen explains how carbon-14 dating can be used to date ancient material. The half-life of radioactive carbon into nitrogen is also discussed.

Carbon dating uses an unstable isotope of carbon to find the date of dead substances. This isotope Carbon-14 has a half life of 5,700 years. The ratio of Carbon-14 remaining indicates the times since the death of a living substance. Carbon-14 only works for things between 3 and 40 thousand years old.

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