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vent - main plumbing for magma to surface
cone - ash and solidified magma making outside
crater - depression at top of volcano from magma release creating a void which collapses
chamber - where magma is "stored"
sills - horizontal pipes which transport magma
dykes - vertical pipes which transport magma

hope that summarises

2007-03-15 10:15:00 · answer #1 · answered by Kev P 3 · 0 0

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