Absolute relationships is the process of deciding an age towards a given day size into the archaeology and you may geology

The amount of time needed for something to slide in order to 50 % of its first worth (particularly, committed for 1 / 2 of the latest atoms into the a good radioactive substance so you're able to disintegrate) radioactive relationship.

Matchmaking try a technique included in archeology to look for the years from items, fossils or any other facts considered rewarding from the archeologists.

Natural relationship meaning biology. To evaluate the exact years, both chemical and you may physical qualities of your target is looked keenly.