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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.
Explain Inhibitory Factors Haemopoiesis may be inhibited by a decrease in the live1 of stimulatory growth factors. Generally there is a competition. No particular substance ca
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what is the weigt on earth of an object that has a mass of 22 kg?
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