What is radioactive carbon dating used for

what is radioactive carbon dating used for

This led to estimates that the trees were between 24, and 19, years old, [95] and hence this was taken to be the date of the last advance of the Wisconsin glaciation before its final retreat marked the end of the Pleistocene in North America. As a tree grows, only the outermost tree ring exchanges carbon with its environment, so the age measured for a wood sample depends on where the sample is taken from.

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