Question

What are wool And Silk Fibers Made of
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Answer 1

Answer:

Wool fiber is formed by keratin protein and growth from an outer skin layer like from a sheep or goat. Silk fiber is a protein fiber from silk glands of an insect. Cultivation of silkworm is known as sericulture. A female silk moth produces about 300–400 eggs at once.

Explanation:

Answer 2

Answer:

Wool and silk fibres are natural fibers from animals