What time period can carbon-14 date?
Question asked by: knowitall
Carbon 14 has a half life of 5,730 years, and therefore it can be used to date very accurately a large majority of things, particularly wood and so on.
It is only not useful for really ancient things where all the carbon 14 will have gone, or almost gone - and for these there are other isotopes of other elements that can be used with a much longer half life.
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