Dimitri Earthquakes

Posted on December 20, 2012 by | Leave a comment
 Notes  My thinking
*Earthquakes cause volcanos to erupt.  *More than 1000 Earthquakes shake the surface every day.

*More then 1000000 Earthquakes shake the surface every year.

 

 *What causes so many  Earthquakes? *why are Earthquakes dangerous?

 *what starts  Earthquakes?
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