What are a rhino's tusks made of?

Answer

A rhino's horn is made up of keratin and calcium. Elephants are the only other tropical animals that have tusks. A rhino's horn can grow to up to 45cm.
Q&A Related to "What are a rhino's tusks made of?"
Answer It is made of keratin, the same substance as hair and fingernails.
http://wiki.answers.com/Q/What_is_a_Rhinoceroc_Tus...
Rhino horns are made of keratin, a substance also found in human hair and tusks.
http://www.chacha.com/question/what-are-rhino-tusk...
A Rhino horn is made of keratin. The horn is a pretty distinctive feature. Name 'rhinoceros' is actually made of 2 Greek words meaning 'nose' and 'horn'.
http://www.kgbanswers.co.uk/what-is-a-rhino-tusk-m...
its made of hairs that are silimar to that of our nails.
http://answers.yahoo.com/question/index?qid=200908...
About -  Privacy -  Careers -  Ask Blog -  Mobile -  Help -  Feedback  -  Sitemap  © 2015 Ask.com