Multiple choice general knowledge science & technology

what is the horn of a rhino?

  1. Its teeth

  2. Its bone

  3. Its hair

  4. Its muscle
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A rhino's horn is composed entirely of keratin, the same structural protein that makes up human hair, fingernails, and animal hooves. The horn is not made of bone, teeth, or muscle tissue.

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