Sample material for Geography Test I Ã‚
Volcanism is the set of geographical process resulting in the expulsion of molten rock, as lava, at or near the EarthÃ¢â‚¬â„¢s surface. The most notable product of volcanism are volcanoes, the landforms created when lava and hot particles escape from the EarthÃ¢â‚¬â„¢s interior through openings or vent in the EarthÃ¢â‚¬â„¢s surface and then cool and solidify around the vents. As such volcanicity relates itself with both the exogenic and endogenic environments. I include all the processes and mechanism that relates them to the origin of magma, gases, vapour, their ascent and ultimate development of various plutonic and surface features.
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