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6
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A large steep volcano built up of alternating layers of lava and ash or cinders
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7
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Generates on convergent plates where the oceanic lithosphere is subducting
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8
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A dense, destructive mass of very hot ash, lava fragments and gasses ejected explosively from a volcano and typically flowing down slopeat a great speed
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9
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A column of solidfied lava of igneous rock formd in a volcanic vent especially exposed by erosion
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10
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Broad domed volcano with gently sloping sides characteristic of the eruption of fluid basaltic rock
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12
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A dark, fine-grained igneous rock consisting mostly of plagioclase flaspar and pyroxeny and sometimes olvine
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14
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Convergent plate boundary where the oceanic lithosphere is suducting
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18
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A aispersion in air of molecules of water especially as produced by evaporation at ambient temp rather than by boiling
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19
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Powdery residue left after the burning of a substance
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20
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A tabular body of intrusive rock ordinarily between beds of sedimentary rocks or layers of volcanic ejecta
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21
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Open at earth's surface from which volcanic material is emitted
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