Questions
1. The most widespread and costly of all mass wasting processes is:
a. Slump b. creep c. mudflows d. rockfalls e. solifluction
2. Which of the following factors can actually enhance slope stability?
a. Increasing the slope angle b. vegetation c. overloading
e. Rock dipping in the same direction as the slope
e. none of the answers is correct.
3. Shear strength includes:
a. the strength and cohesion of materials b. the amount of internal cohesion c. gravity d. all of these e. answers a and b.
4. Movement of material along a surface or surfaces of failure is:
a. slide b. fall c. earthflow s d. debris flow e. none
5. A type of mass wasting common in mountainous regions in which talus accumulates:
a. Creep b. solifluction c. rockfalls d. debris flow
b. e. mudflow
6. What roles do climate and weathering play in mass wasting?
7. How does water affect mass wasting processes?
8. Define ‘angle of repose' and describe its significance in mass wasting.
9. Why is creep so prevalent? Why does it do so much damage?