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← GeographyWhich effect increases when silicate weathering accelerates during pedogenesis?
A)Atmospheric carbon dioxide consumption increases✓
B)Global continental ice sheet expansion
C)Oceanic methane hydrate formation accelerates
D)Upper mantle convective heat flux reduces
💡 Explanation
Enhanced silicate weathering increases atmospheric CO₂ consumption due to mineral carbonation via chemical weathering, a vital process of pedogenesis; therefore, a negative feedback on global temperatures results, rather than immediate ice sheet expansion which is glaciation.
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