Cinder cones, the simplest volcano types, measure less than 300 meters high and erupt explosively. Blobs of congealed lava build and eject from a single vent before breaking into solidified cinders.
Shield volcanoes erupt quietly. Fluid basalt lava pours out in all directions from a group of vents, building a broad dome extending over distances as far as 4 miles.
Explosive stratovolcanoes, or composite volcanoes, have steep, symmetrical, conical shapes built up over time by alternating layers of lava flows, volcanic ash, cinders and other volcanic particles. A central vent or cluster of vents is at the summit.
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Explanation:
Cinder cones, the simplest volcano types, measure less than 300 meters high and erupt explosively. Blobs of congealed lava build and eject from a single vent before breaking into solidified cinders.
Shield volcanoes erupt quietly. Fluid basalt lava pours out in all directions from a group of vents, building a broad dome extending over distances as far as 4 miles.
Explosive stratovolcanoes, or composite volcanoes, have steep, symmetrical, conical shapes built up over time by alternating layers of lava flows, volcanic ash, cinders and other volcanic particles. A central vent or cluster of vents is at the summit.