Question

_______________wood is used for tanning of leather.
(a) Birch
(C) Willow
(b) Oak
(d) Walnut​

Answer 1

Answer:

Oak wood is used for tanning of leather.

Answer 2

b) Oak wood is used for tanning of leather.

There are around 300 different plant species worldwide, which can be used for tanning. Oak is suitable for all leather. Oak and spruce bark from younger trees are used, because they contain more tannin. Chestnut gives a hard and reddish leather.

Hope it helps. :-)