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← GeographyWhich outcome occurs when infiltrating acidic groundwater reaches caves?
A)Speleothem formation increases dramatically✓
B)Increased silicate mineral precipitation forms
C)Methane hydrate formation lowers temperatures
D)Halite precipitation increases cave salinity
💡 Explanation
Enhanced speleothem formation occurs because infiltrating acidic water causes deposition of dissolved calcium carbonate via the 'common-ion effect'; therefore, carbonate precipitation increases, rather than saline/silicate deposits, since acidity favors carbonate dissolution upstream.
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