Tree Ring Dating
Annual ring is the growths of wood that are produced each year in the stem and roots of trees. These rings can be seen when the Trunk of a tree is cut horizontally. The speed with which a stem grows in thickness varies during the year. In summer it grows rapidly as compared in winter.
One ring mark the passage of one year
The process is called DENDROCHORNOLOGY
(or) TREE-RING DATING.
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