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← GeographyWhich geological outcome accelerates when acidic rainfall permeates karst regions?
A)Cavern formation through limestone dissolution✓
B)Increased thermohaline circulation velocity
C)Oxidation speed of iron rich soils
D)Deposition rate in river deltas
💡 Explanation
Cavern formation accelerates because rainfall enhances chemical weathering via limestone dissolution; increased hydrogen ions intensify carbonic acid weathering. Therefore, more underground voids are created rather than changes to unrelated oceanic or soil processes.
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