27. Which direction is the Pacific Plate moving in the vicinity of Los Angeles?

Question

27. Which direction is the Pacific Plate moving in the vicinity of Los Angeles?

A. NE

B. NW

C. SW

D. N

E. S

28. What are the dominant forces at divergent boundaries?

A. Extension

B. Ridge push

C. Lateral Shear

D. A and C

E. None of the above

29. Where do back arc basins form?

A. Ocean-continent convergence subduction zones

B. Continent-continent collisions

C. Transform faults

D. Ocean-ocean convergence subduction zones

E. None of the Above

30. What is a typical rate of plate motion?

A. 1 micron/year

B. 1 mm/year

C. 1 cm/year

D. 1 m/year

E. 1 km/yr

Explanation / Answer

27) moving towards North West direction

28) Extension. extensional forces are those which involve stretching of plates which results in the formation of rifts in the tectonic plates

29) Ocean-ocean convergence subduction zones

back arc basins are generally situated between the island arcs and continental margin

30) 1 cm/year

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