Hi, Cindy.
Just found this and it should answer your question.
http://www.enviroliteracy.org/subcategory.php/246.html
Deb
________________________
Deb Hunt
Snacktalk Moderator
Exploratorium
3601 Lyon Street
San Francisco, CA 94123-1099
dhunt@exploratorium.edu
On Wed, 10 Nov 2004 Kramkissoon@aol.com wrote:
> HI MY NAME IS CINDY AND I WOULD LIKE TO KNOW WHAT ARE WAVES
>
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