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They could now tell the age of the skeletons to within 50 years even when they were over 8000 years old!

They could also tell what area of the country the people had lived in, what types of food they ate, what illnesses they may have had, where they had traveled to and from, and their age when they traveled, whether people who were found together were related to each other or not, how well or badly they were looked after by the people they lived with, what sort of work they might have done and all sorts of other facts about their lives.

measurement, measuring, mensuration, measure - the act or process of assigning numbers to phenomena according to a rule; "the measurements were carefully done"; "his mental measurings proved remarkably accurate" techniques to precisely measure the age of the eruptions of the Kalkarindji volcanic province where lavas covered an area of more than 2 million square kilometers in the Northern Territory and Western Australia.

Radioactivity, also known as radioactive decay, is a process by which a radioactive isotope loses subatomic particles (helium nuclei or electrons) from its nucleus along with usual emission of gamma radiation, and becomes a different element.

All living things have the same percentage of carbon-14 in them, but when they die the level starts going down.

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Stories and facts must always be put together with all the other information about a site or object to give a picture of the history of a place and the things found in it.Sometimes there is too much damage or mixing in with other items for a good test to be made and the radiocarbon dating or stable isotope analysis can’t be used.

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