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Carbon-14 is continually formed in nature by the interaction of neutrons with nitrogen-14 in the Earth’s atmosphere; the neutrons required for this reaction are produced by cosmic rays interacting with the atmosphere.
Radiocarbon present in molecules of atmospheric carbon dioxide enters the biological carbon cycle: it is absorbed from the air by green plants and then passed on to animals through the food chain.
It is widely accepted that the mass burning of coal during the industrial revolution released an enormous amount of C ratio before the industrial revolution, and modern carbon dating takes this into account by running experimental measurements through a calibration formula.[vii] But how do we know what the ratio was like thousands of years ago? The dating system hangs on these types of assumptions! Several studies have shown: 1) significant solar flares have occurred in the past, and 2) these flares have an impact on carbon levels in the atmosphere.By 2100, a dead plant could be almost identical to the Dead Sea scrolls, which are more than 2,000 years old.”[xvi] Factor 10: Disequilibrium.