A. island arcs. B. rift valleys. D. trenches. 9. are defined as free falling fragments of rocks from steep cliffs or slopes. A. Rockfalls B. Toppling C. Debris avalanche D. Earthflow 10. A force that acts on a rock to change its shape or volume is called A. stress. B. folding C. faulting D. liquefaction 11. Mountain formation is known as orogenesis. Mountains can be formed through: A. folding B. faulting C. both A & B D. none of the above 12. Which stress force pulls on the crust and stretches rock? A. shearing B. tension C. liquefaction D. compression 13. What process occurs when an earthquake's shaking turns loose soil into mud? A. deformation B. shearing C. liquefaction D. base-isolation 14. The type of stress force that produces a strike-slip fault is A. compression. B. shearing. D. liquefaction. C. tension. 15. What type of fault forms when the hanging wall moves upward past the footwall? A, normal fault C. strike-slip fault B. fault-block mountain D. reverse fault 16. A surface or narrow zone along which one side has moved relative to the other is called alan_ D. Uplift A. Fault B. Fold C. Indentation 17. In which tectonic environment, can you find the surface expression in the form of folding? D. All of these A. Extensional B. Compressional C. Strike slip 18. The San Andreas Fault is an example of: A. Normal fault B. Reverse fault C. Right lateral strike slip D. Left lateral strike slip 19. Which is the largest subduction earthquake? A.1960 Chile earthquake B. 1905 Kangra earthquake C. 2011 Tohuku earthquake D. 2004 Sumatra-Andaman earthquake ? C. Fault scarp D. None of these 20. Surface along which the block of rock slips is called A. Fault zone B. Fault Plane

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