Role of volcanoes in formation of earth atmosphere
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Deep inside Earth, between the molten iron core and the thin crust at the surface, there is a solid body of rock called themantle. When rock from the mantle melts, moves to the surface through the crust, and releases pent-up gases, volcanoes erupt.Extremely high temperature and pressure cause the rock to melt and become liquid rock ormagma. When a large body of magma has formed, it rises thorugh the denser rock layers toward Earth's surface. Magmathat has reached the surface is calledlava.
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THE MOLTEN IRON CORE AND THE THIN CRUST THERE IS A SOLID BODY OF THE ROCK WHICH IS CALLED THE THE MENTAL WHEN THE LARGE NUMBER OF MAGMA IS FORMED IT RISE THROUGH DENSON ROCK
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THE MOLTEN IRON CORE AND THE THIN CRUST THERE IS A SOLID BODY OF THE ROCK WHICH IS CALLED THE THE MENTAL WHEN THE LARGE NUMBER OF MAGMA IS FORMED IT RISE THROUGH DENSON ROCK
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