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← GeographyWhich risk escalates dramatically where loess deposits form thick, unconsolidated layers?
A)Liquefaction during seismic events✓
B)Formation of deep-sea trenches
C)Increased volcanic eruption frequency
D)Glacier calving rate accelerates
💡 Explanation
Liquefaction risk climbs because the mechanism of grain rearrangement under stress within unconsolidated loess leads to a loss of shear strength; therefore, buildings subside unpredictably under seismic stress when liquefaction occurs, rather than remaining stable.
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