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← GeographyWhich enhanced risk occurs when acidic groundwater saturates soluble bedrock?
A)Accelerated sinkhole formation rates✓
B)Increased soil salinity levels
C)Aquifer depletion near recharge zones
D)Decreased average ambient air temperature
💡 Explanation
Increased carbonic acid accelerates bedrock dissolution via chemical weathering, causing sinkhole formation, because the bedrock material weakens. Bedrock dissolution leads to unstable ground therefore accelerated sinkhole risk, rather than soil salinity, whose mechanism involves evaporation and mineral concentration.
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