Age of tree can be estimated by

Options

A. its height and girth
B. biomass
C. number of annual rings
D. diameter of its heartwood

Answer

C

Explanation

Age of a tree can be estimated by counting the number of annual rings . This study is known as dendrocronology . The two kinds of woods that appear as alternate concentric rings constitute an annual ring heartwood comprises dead elements with highly lignified walls that given mechanical support to the stem . the height and girth of a tree increases due to the activity of vascular cambium.