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← GeographyWhich risk escalates when shield volcano slope instability occurs?
A)Catastrophic debris avalanche initiation✓
B)Dissolved gases release explosively
C)Rapid tectonic deformation
D)Increased radiative ground cooling
💡 Explanation
A slope collapse creates instability and can cause a debris avalanche because gravity pulls down material rapidly. This process increases the flow velocity of volcanic debris, therefore increasing landslide risk, rather than other volcanic hazards.
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