Question

The _____ produces secondary phloem and xylem tissue, adding to a tree's girth.

Answer 1

The aswer is b. Vascular Cambium

it is a plant tissue which is located between Xylem and Phloem in the stem and root of a vascular plant and the source that produces Secondary xlem and phloem

Nb : Vascular Cambium does not transport waters , minerals, it only produce Xylem and Phloem which add the tree's girth