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← GeographyWhich outcome follows increased precipitation on granite bedrock?
A)Greater chemical weathering and spheroidal weathering✓
B)Reduced regolith thickness and nutrient availability
C)Accelerated mechanical creep and slope instability
D)Suppressed oxidation reactions and soil darkening
💡 Explanation
Enhanced precipitation triggers greater chemical weathering of granite via hydrolysis. Hydration of feldspars causes expansion, leading to spheroidal weathering because this form of weathering acts along corners; therefore, spherical shapes result rather than angular breakage caused by frost wedging.
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