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← GeographyWhich material redistribution occurs because prolonged andesitic lava flows build pressure?
A)Shield volcano effusive lava plains
B)Strato-volcano block and ash flows
C)Cinder cone spatter ramparts
D)Lava dome development beyond vent✓
💡 Explanation
Development of a lava dome occurs when viscous lava accumulates near the vent, because the effusion rate is exceeded and solidification crusts over, therefore, pushing the structure in the area, rather than producing extensive flows.
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