17 Which type of plate boundary does NOT involve subduction process?
a. Continental- oceanic convergence
c. Continental- continental convergence
b. Oceanic-oceanic convergence
d. None of the above
18. The following geologic features are formed together with the subduction process, EXCEPT:
a. Formation of an island arc c. Formation of a mountain range
b. Formation of a trench
d. Formation of a volcanic arc
19. Seafloor spreading is closely related to divergent plate boundaries. Why?
a. At divergent boundary, old seafloor subducts to the mantle.
b. At divergent boundary, old seafloor is being pushed by the molten material that forms new crust.
C. Seafloor spreading occurs at divergent boundary when the seafloor on both sides of the ridge
collide.
d. Seafloor spreading refers to the movement of the seafloor near the ridge that creates strong
earthquakes.
20. East African Rift is a result of two diverging plates. What will most probably happen to the East African
Rift over time?
a. It will become smaller.
c. It will become a trench.
b. It will become wider.
d. It will become elevated.
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17b
18d
19a
20c
Explanation:
correct me if I'm wrong