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← GeographyErosion undercuts a saturated cave roof; which consequence results?
A)Rapid sinkhole formation above cave✓
B)Increased surface water infiltration rate
C)Higher concentration of calcium carbonate
D)Decreased cave air carbon dioxide
💡 Explanation
The water table supports cave roofs until erosion weakens it. Groundwater dissolution increases void size, so roof collapse occurs due to gravity exceeding the material strength, creating sinkholes; therefore, the surface collapses rather than altering the water chemistry.
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