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Engineering Geology MCQs
Which of the following processes gradually smoothes, rounds or polishes rock surfaces over time?
22. Which of the following processes gradually smoothes, rounds or polishes rock surfaces over time?
- Deflation
- Deposition
- Erosion
- Abrasion
Answer
The correct answer is: D) Abrasion
Explanation
Abrasion occurs as a result of water-borne sediments, wind-blown particles, or moving ice gradually smoothing, rounding, or polishing rock surfaces.