Question

Woollen fibre is rich in_________

Answer 1

Answer:

Proteins

Explanation:

Wool fibers are strong member of protein fibers belongs to the group of α-keratin fibers. Their structure mimics as a composite material and it consists of keratin, cortical cells, cuticular cells, and cell membrane complex.

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Answer 2

Explanation:

here's the answer click on the pic I sent you