It is oxidised quickly and absorbed in great quantities by all living organisms - animal and plant, land and ocean dwelling alike.When an organism dies, it stops absorbing the radioactive isotope and immediately starts decaying (7).
One is Relative Dating, and the other is Absolute Dating.
In general, archaeologists use both methods in conjunction.
In 1979, Desmond Clark said of the method “we would still be foundering in a sea of imprecisions sometime bred of inspired guesswork but more often of imaginative speculation” (3).
Radiocarbon dating may only be used on organic materials.
These latter atoms are used as part of the calibration process to measure the relative number of isotopes (9).