The age of a tree can be estimated by

A. Its height

B. The girth of its trunk

C. The number and size of its branches

D. The number of concentric rings on a cross-section of its trunk

Answer: Option D

Solution(By Examveda Team)

The age of a tree can be estimated by The number of concentric rings on a cross-section of its trunk. A tree's age can be determined by counting the annual growth rings in its trunk. Each ring represents one year, and the ring's thickness reveals the relative amount of rainfall that year.