Tom is marking the locations of active volcanos on a world map. explain how the locations of the volcanos are related to the earth's plates.

When plates move, they can move 3 different ways, i forgot those ways, but one of them is when one plate moves above another, creating a 

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So overtime a volcano forms, that is part of the answer
           

Answer steam fog;

Answer erosion,oil spills,pollution,tourism,urban development;