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← GeographyWhich long-term outcome occurs when fractured basalt bedrock weathers chemically in a cold, humid environment?
A)Increased soil clay mineral formation✓
B)Greater accumulation of coarse sand
C)Enhanced rate of calcium carbonate precipitation
D)Decreased dissolved silica concentration
💡 Explanation
Increased soil clay mineral formation occurs because chemical weathering, specifically hydrolysis, of basalt releases aluminum and silicon ions; therefore, these combine and precipitate as clay minerals in the soil profile, rather than forming sand.
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