Question

What is a rhinos horn made of ?
A) Bones B) Collagen C) Fibroin D) Kerotin

Answer 1

Answer:

$\huge \green{Answer:-}$

$\huge \blue{D) \: Kerotin}$

Answer 2

Answer:

Rhino horn is made up primarily of keratin – a protein found in hair, fingernails, and animal hooves.

Explanation:

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