Question

of what are wool fibres made ​

Answer 1

Answer:

• Wool, animal fibre forming the protective covering, or fleece, of sheep or of other hairy mammals, such as goats and camels. Prehistoric man, clothing himself with sheepskins, eventually learned to make yarn and fabric from their fibre covering. Selective sheep breeding eliminated most of the long, coarse hairs forming a protective outer coat, leaving the insulating fleecy undercoat of soft, fine fibre.

• Wool fibre is chiefly composed of the animal protein keratin. Protein substances are more vulnerable to chemical damage and unfavourable environmental conditions than the cellulose material forming the plant fibres.

Answer 2

Answer:

Will fibre is chiefly composed of the animal protein keratin. Protein substances are more vulnerable to chemical damage and unfavorable environmental conditions than the cellulose material forming the fibres.