Radiocarbon dating formula

Until recent years, scientists who believe in creation haven't had the necessary resources to explore radiometric dating in detail.

A 10 gram sample of U-238Now that has changed, and some important discoveries are being made.

However, before accepting any radiocarbon date, one should know how the technique works, its limitations, and its assumptions.

With less carbon-12 to dilute the carbon-14 continually forming from nitrogen in the upper atmosphere, the ratio of carbon-14 to carbon-12 in the atmosphere would increase.When granite rock hardens, it freezes radioactive elements in place.The most common radioactive element in granite is Uranium-238.Cosmic radiation striking the upper atmosphere converts about 21 pounds of nitrogen each year into radiocarbon (carbon-14).Most carbon-14 quickly combines with oxygen to form radioactive carbon dioxide, which then spreads throughout the atmosphere.

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The key questions then are: Has the atmospheric ratio of carbon-14 to carbon-12 changed in the past, and if so, why and how much?

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