Sample material for Geography Test I Â  

Volcanism is the set of geographical process resulting in the expulsion of molten rock, as lava, at or near the Earth’s surface. The most notable product of volcanism are volcanoes, the landforms created when lava and hot particles escape from the Earth’s interior through openings or vent in the Earth’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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