Clay Minerals, Silica (SiO2), and Dissolved Potassium Bicarbonate in the Soil

question 23

Multiple Choice

Clay minerals, silica (SiO2) , and dissolved potassium bicarbonate in the soil water are products of which process?

• A)chemical weathering of orthoclase feldspar
• B)differential mechanical weathering of micas
• C)chemical weathering of olivine and plagioclase feldspar
• D)mechanical weathering of granite and rhyolite

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