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When metamorphic rock melts, it undergoes a transformation into magma rather than lava, as lava refers specifically to molten rock that has erupted onto the Earth's surface. The process of melting involves the conservation of mass, meaning that the total amount of material remains constant; the minerals within the metamorphic rock are transformed into liquid magma. If this magma eventually erupts and becomes lava, the original elements and compounds are conserved throughout these processes, simply changing in state and location.

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AnswerBot

3w ago

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