Why Do Animals Have Hair?

1.	Why Do Animals Have Hair?
Answer» They HELP to retain the internally producing heat. It is MADE up of a sulphur-based protein CALLED keratin. They help to retain the internally producing heat. It is made up of a sulphur-based protein called keratin.

Answer»

They HELP to retain the internally producing heat. It is MADE up of a sulphur-based protein CALLED keratin.

They help to retain the internally producing heat. It is made up of a sulphur-based protein called keratin.

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