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Volcanoe information

Volcanoe magma rises to the surface from inside the earth manthly at the subduction zones and spreading centers. The edge of the pacific basin, The 48,000 killometers of the long ring of fire. Is especally voatile, with about 70 percent of the worlds. More than 500 historically active volcanoes.There is a magma chamber at the bottom of the volcanoe and that is where the magma biulds up and the preacher makes it erupt.I where in the earths crust where the molton materially magma comes to the surface .Magma is a molden mixture of rock forming substence,gases,and water vapor from the montleWhen magma rises to the surface ,after the lava cools it turns to solid rock.