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 made of keratin, the same protein found in human hair and fingernails. It's not bone, teeth, or muscle. The horn grows continuously and can be partially sawn off without harming the rhino, which is why poaching is such a threat.

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