Sunday, January 31, 2010
Thursday, January 21, 2010
Why Are There Earthquakes and Volcanoes?
If you want to know more about scientists' thoughts on the answer to the above question, click on the link below to read and view models of what is happening on the earth's crust.
http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Continents.shtml
http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Continents.shtml
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