Carbon dating translate
This man-made fluctuation wasn't a natural occurrence, but it demonstrates the fact that fluctuation is possible and that a period of natural upheaval upon the earth could greatly affect the ratio.
Volcanoes spew out CO which could just as effectively decrease the ratio.
It is naturally unstable and so it will spontaneously decay back into N-14 after a period of time.
The new isotope is called "radiocarbon" because it is radioactive, though it is not dangerous. This is how carbon dating works: Carbon is a naturally abundant element found in the atmosphere, in the earth, in the oceans, and in every living creature.C-12 is by far the most common isotope, while only about one in a trillion carbon atoms is C-14.Specimens which lived and died during a period of intense volcanism would appear older than they really are if they were dated using this technique.The ratio can further be affected by C-14 production rates in the atmosphere, which in turn is affected by the amount of cosmic rays penetrating the earth's atmosphere.