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Absolute dating is the process of determining an age on a specified chronology in archaeology and geology.
For this reason, many archaeologists prefer to use samples from short-lived plants for radiocarbon dating.
The development of accelerator mass spectrometry (AMS) dating, which allows a date to be obtained from a very small sample, has been very useful in this regard.
By measuring the carbon-14 in organic material, scientists can determine the date of death of the organic matter in an artifact or ecofact.