Friday, November 28, 2008

How Volcanoes Work



here is a short video on how volcanoes are formed and also how they work and build up over the many years.

http://video.google.com/videoplay?docid=4469061453115836229&ei=YLsvSen3LKTgiAKthb3dDQ&q=volcanoes+genre%3Aeducational
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