Question

what is heartwood and sapwood??​

Answer 1

Answer:

ISI mark registration is mandatory for all the certifying products sold in India. The mark is meant for better quality and safety of the products. The Products having ISI indicate that products are in compliance with the Indian standard quality.

Answer 2

Sapwood is the outer light-colored portion of a tree trunk through which the water passes from the roots to the leaves, and in which excess food is often stored. Heartwood is the central core of the trunk. In most woods the heartwood can be distinguished from the sapwood by its darker color.