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C-12 is stable, meaning it does not decay into other elements over time. It is formed when cosmic radiation strikes N-14 (Nitrogen), converting it into C-14, and it decays back into N-14, with a half-life of 5730 years, meaning that for any sample of C-14, half of it will decay back into N-14 every 5730 years.Carbon-14 is used to date dead plants and animals, because plants and animals incorporate C-14 into their bodies by eating, drinking, and breathing in an environment containing C-14.Today, scientists attempt to determine the age of dead organisms by measuring the ratio of C-12 to C-14, by comparing it to an assumed but unobserved initial ratio, and determining how long it would take to get from the assumed but unobserved initial ratio at an assumed but unobserved rate of decay.

It is helping archaeologists, geologists, and anthropologists reconstruct the world’s history by filling in some of the many blank dates in the chronology of the history of our human world and by substantiating and revising other dates.Through the life of the organism, the proportion of C-14 to C-12 reaches the same proportion as in the rest of the environment.When the organism dies, however, it ceases to incorporate carbon into its body.C) dating usually want to know about the radiometric[1] dating methods that are claimed to give millions and billions of years—carbon dating can only give thousands of years.People wonder how millions of years could be squeezed into the biblical account of history. Christians, by definition, take the statements of Jesus Christ seriously.The radiocarbon dating method is based on the fact that radiocarbon is constantly being created in the atmosphere by the interaction of cosmic rays with atmospheric nitrogen.The resulting radiocarbon combines with atmospheric oxygen to form radioactive carbon dioxide, which is incorporated into plants by photosynthesis; animals then acquire in a sample from a dead plant or animal such as a piece of wood or a fragment of bone provides information that can be used to calculate when the animal or plant died.Carbon-14 Dating: an Invaluable Yardstick in the Chronology of Humans Archeologists use many methods to analyze data from the past.One scientific tool they use is to analyze the radioactive decay of chemical elements found in plant and animal remains, pottery, and even in rocks.Familiar to us as the black substance in charred wood, as diamonds, and the graphite in “lead” pencils, carbon comes in several forms, or isotopes.One rare form has atoms that are 14 times as heavy as hydrogen atoms: carbon-14, or C ratio gets smaller.

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