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← GeographyWhich consequence results when rapid cooling arrests lava flowing uphill?
A)Formation of pressure ridges or tumuli✓
B)Development of lahar-dominated drainage patterns
C)Increased sulfur dioxide ash plumes
D)Accelerated chemical weathering via hydrolysis
💡 Explanation
Pressure ridges/tumuli form on lava surfaces when cooling creates a solidified crust, because lava flow stagnates against inclines promoting back-pressure, therefore crustal buckling occurs, rather than lahar generation or atmospheric effects.
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