where does all the sand come from?

India
September 7, 2008 12:18pm CST
where does all the sand come from in the sahara desert?
1 response
teka44
@teka44 (3420)
• Brazil
7 Sep 08
Hi gayathrings. Many millions of years ago the Sahara was a sea. It is why it have so much sand. Generally sand is the result of erosion of calcareous rocks. Cheers and have a nice day.
gayathrigs
@gayathrigs (871)
• India
8 Sep 08
Hi , wow! nice to know this. I am really interested in these subjects a lot. like to know more about them. Thank you for the information you provided dear.