Which silica mineral is present in soil in abundant quantity____________________?
Correct answer: B. Quartz
- A. Smectite
- B. Quartz
- C. Gypsum
- D. All the above
Explanation
Quartz is the most abundant silica mineral in many soils because it is highly resistant to weathering. Smectite is a clay mineral, while gypsum is a calcium-sulfate mineral, not a silica mineral.
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