Question

The feature which is common to both heartwood and sapwood is (1) Both are the regions of secondary xylem (2)Both are involved in the conduction of water (3)Both comprise dead elements with accumlation of aromatic compounds (4)Both are located in the central layers of the stem

Answer 1

Answer:

1

Explanation:

both are the regions of secondary xylem

Answer 2

Answer:

answer is both are found in secondary xylem. ie. a