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What time period can carbon-14 dates have?
Carbon 14 has a half-life of 5,730 years, and thus it can be used to date very precisely a large majority of things, particularly wood and so on.
It is only not useful for very old things where all the carbon 14 will have left, or almost left - and for these there are other isotopes of previous elements, that can be used with a much longer half-life.
what happens if one animal is not there
The Ayurvedic System of Medicine: Punarvasu Atreya (about 6th century B.C.) taught medicine at Taxila. Each of his disciples such as Bhela, Jatukarna, Harita, Ksarapani, Par
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