Radio carbon dating calculations
Once an organism dies the carbon is no longer replaced.
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The net effect of this is that all living organisms have the same radiocarbon to stable carbon ratio as the atmosphere.Common materials for radiocarbon dating are: The radiocarbon formed in the upper atmosphere is mostly in the form of carbon dioxide. Because the carbon present in a plant comes from the atmosphere in this way, the radio of radiocarbon to stable carbon in the plant is virtually the same as that in the atmosphere.
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