Q80
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
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
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.