Prior planned to be a ‘‘regular scientist’’, like her aerospace engineer father.But she became hooked on archaeology after her parents took her as a little girl to the archaeological sites of Colorado’s Mesa Verde.The stable C12 and C13, and the unstable or radioactive Carbon 14. Only one C14 atom exists for every one trillion C12 atoms.
As plants enter the human and animal food chains the C14 dioxide enters their living tissue.
It is produced in the upper atmosphere by radiation from the sun.
(Specifically, neutrons hit nitrogen-14 atoms and transmute them to carbon.) Land plants, such as trees, get their carbon from carbon dioxide in the air. The same is true of any creature that gets its carbon by eating such plants. Suppose such a creature dies, and the body is preserved.
Clearly, such huge time periods cannot be fitted into the Bible without compromising what the Bible says about the goodness of God and the origin of sin, death and suffering—the reason Jesus came into the world (See Six Days? He said, This only makes sense with a time-line beginning with the creation week thousands of years ago.
It makes no sense at all if man appeared at the end of billions of years.
Radiocarbon or C14 dating employs complex systems of measuring the unstable isotopes in once living matter.