qondio.com/rgkQ PRINT EMAIL
the hardest substances The hardest naturally occuring substance (of which we are aware) is diamond. Diamond is composed of carbon. The hardest substance that is produced by a human being is enamel. Enamel is the covering that we have on our teeth.

Contributed by harley van straten on August 29, 2008, at 00:50 AM UTC.

PLEASE VISIT THE CONTRIBUTOR'S WEBSITE

cruise prices compared cruise price comparison website www.cruisepricescompared.com

Reactions

No reactions yet.

Rate This Intel

Please login or sign up to rate this intel.

Comments

Please login or sign up to add a comment.

Share

Copyright Notice

The copyright for this content entitled "the hardest substances" has been specified by the contributor as:

All Rights Reserved

This content may not be copied, distributed or adapted by anyone under any circumstances.

Login Here with Any Email Address Any Password Remember login No account? Sign up.

Intel Contributor

This intel was contributed by harley van straten harley van straten

Qondio Archive

May, 2012 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 2008 January, February, March, April, May, June, July, August, September, October, November, December 2009 January, February, March, April, May, June, July, August, September, October, November, December 2010 January, February, March, April, May, June, July, August, September, October, November, December 2011 January, February, March, April, May, June, July, August, September, October, November, December 2012 January, February, March, April, May

Sign Up

Not a member yet? Qondio is a powerful network for making it online. If you have a website to promote, we can help. Sign up and get in on the action.

About Qondio

Welcome to Qondio! Discover the awesome power this network can deliver by going to our About page. Or you could skip straight to the Sign Up form.