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← GeographyWhich hazard increases immediately following a lahar flow?
A)Downstream floodplain sedimentation✓
B)Glacial ice dam formation
C)Accelerated continental plate subduction
D)Increased frequency of forest fires
💡 Explanation
Floodplain sedimentation increases because lahar flows deposit large volumes of sediment downstream; therefore, sedimentation overwhelms typical river flow, rather than triggering distant tectonic shifts or unrelated fires since it is an immediate effect during and after the lahaar, rather than glacial formations.
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