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Geography

Which outcome occurs when magma buoyancy exceeds lithospheric strength?

A)Surface volcanic eruption forms
B)Regional metamorphic rock creation
C)Increased seismic fault lubrication
D)Enhanced crustal plate subduction

💡 Explanation

When buoyant magma overcomes lithospheric strength, magma diapirism pushes the magma to the surface forming a volcano; because volcanic eruptions occur, rather than subduction that would require convergent plate boundaries or metamorphism from pressure.

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