Carbon dating evolution

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Such index fossils must be distinctive, globally distributed, and occupy a short time range to be useful.So, if you started with 1g, after 5,730 years you would have 0.5g, after 11,460 years 0.25g, after 17,190 years 0.125g, etc.As animals and vegetation respire, they absorb some carbon-14 from the atmosphere in such a way that there is a "carbon equilibrium" established with the air.by volcanic activity, solar radiation, and changes in the Earth's magnetic field) so it is highly unlikely that recent conditions are representative or can be valid for all time.Also, if there was a global flood in Noah's time then this catastrophic event would have affected the geology of the Earth significantly.It takes about 5,730 years for half of a sample of radiocarbon to decay back into nitrogen.

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