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← GeographyWhich outcome increases when expanding lava domes collapse?
A)Pyroclastic density current formation✓
B)Shield volcano edifice stability
C)Magma chamber pressure decrease
D)Effusive eruption viscosity increase
💡 Explanation
Pyroclastic density current formation increases because gravitational collapse drives downward acceleration transforming into pyroclastic flow development, rather than alternative processes like effusion or effusive eruptions; therefore explosive potential is heightened.
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