According to the laws of superposition, a strategic layer that is higher has been deposited more recently.The oldest strata are at the bottom of the sequence.These artifacts can be placed in order, but requires external information to determine which end of the series is younger or older.Absolute dating determines the age of artifacts in terms of the number of years before the present, with reference to a fixed time scale.Geologists often need to know the age of material that they find.
ANSWER: In relative dating, something is determined to be older or younger than something else without determining an exact age.
As a result, there is a changing ratio of carbon-14 to the more atomically stable carbon-12 involves actually counting individual carbon-14 atoms.
This allows the dating of much older and smaller samples but at a far higher cost.
Following death, however, no new carbon is consumed.
Progressively through time, the carbon-14 atoms decay and once again become nitrogen-14.