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← GeographyWhich risk increases when soluble bedrock underlies farmland?
A)Increased cave collapse and karst formation✓
B)Decreased surface erosion from water flow
C)Enhanced nutrient retention in surface sediments
D)Reduced groundwater recharge rates regionally
💡 Explanation
Increased cave collapse occurs when farmland lies on soluble bedrock because acid rain enhances dissolution via chemical weathering; therefore collapse risk increases above uncultivated areas, rather than decreased water erosion due to modified flow patterns.
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