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Magma is the molten material beneath the surface (crust) of the earth. Magma is called lava when it emerges from the earth in its molten state. The volcano is the geologic structure at the end of a volcanic chimney, which is the duct that connects the magma pocket in the earth through the crust to the surface. The volcano is actually at the "output end" of that volcanic tube.

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Jimmy Mueller

Lvl 13
3y ago

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