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Which outcome results when weathering increases the reactive surface area of olivine?

A)Atmospheric carbon dioxide reduces (weathering feedback).
B)Mechanical strength from fractures is promoted.
C)Hydration causes increased overall expansion mass.
D)Bioturbation of clay minerals is enhanced.

💡 Explanation

Silicate weathering is enhanced through increased olivine surface area. Chemical weathering via dissolution leads to the uptake of more atmospheric CO2 therefore, acting as a negative climate feedback, rather than promoting mechanical failures typically.

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