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#10 Answer the question … Why does a volcano erupt? P. Reardon 2008 – Based on “Science Starters” by T. Trimpe at http://sciencespot.net/ #10 The answers is… 1. Two of earth crust plates collide with one plate going under the other plate. 2. The impact causes friction in the earth’s crust. 3. The pressure caused by the friction makes the rocks under the plates melt and help the magma rise.
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