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Geography

Which risk increases when pyroclastic flow encounters meltwater?

A)Lahars form rapidly downstream
B)Shield volcano magma chamber recharge
C)Volcanic ashfall particle size decreases
D)Vog intensity decreases near vent

💡 Explanation

Lahars become highly probable due to rapidly bulking flows because pyroclastic flow introduces heat causing turbulent mixing and entrainment; therefore increasing lahar intensity, rather than impacting other described volcanic parameters.

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