What is the steepest angle at which loose material remains stable on a slope?
A. Repose angle
B. Slip angle
C. Inclination angle
D. Friction angle
Answer: Option A
A. Repose angle
B. Slip angle
C. Inclination angle
D. Friction angle
Answer: Option A
What is the main agent responsible for the formation of V-shaped valleys?
A. Wind
B. River
C. Glaciers
D. Landslides
Which of the following is an erosional feature formed by wind?
A. Drumlin
B. Oxbow lake
C. Yardang
D. Delta
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