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Author Quiz
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1

What is the most common rock type in the earth's crust?
A)igneous
B)sedimentary
C)metamorphic
D)clastic
2

What is the most common mineral found in rocks?
A)carbonaceous
B)metamorphic
C)silicate
D)igneous
3

Weathered rock materials are pressed and cemented to form
A)sedimentary rocks.
B)metamorphic rocks.
C)igneous rocks.
D)ferromagnesians.
4

Most of the earth's mass is contained in the
A)crust.
B)mantle.
C)outer core.
D)inner core.
5

According to the plate tectonics theory, sea-floor spreading occurs at a
A)subduction zone.
B)convergent boundary.
C)divergent boundary.
D)transform boundary.
6

The San Andreas Fault is the site of a
A)subduction zone.
B)transform boundary.
C)rift zone.
D)convergence boundary.
7

The presence of an oceanic trench, a chain of volcanic mountains along the edge of a continent, and deep-seated earthquakes is characteristic of
A)ocean-ocean plate convergence.
B)ocean-continent plate convergence.
C)continent-continent plate convergence.
D)ocean-continent plate divergence.
8

According to plate tectonics, new crustal material is created at
A)divergent plate boundaries.
B)ocean-continent plate convergence.
C)subduction zones.
D)ocean-ocean plate convergence.
9

The Himalayan Mountains were formed as a result of
A)ocean-continent plate divergence.
B)ocean-continent plate convergence.
C)continent-continent plate convergence.
D)the deformation that occurred along a transform boundary.
10

When an oceanic plate and continental plate converge
A)the continental plate is subducted beneath the oceanic plate.
B)the two plates buckle and uplift the crustal material.
C)the oceanic plate is subducted beneath the continental plate.
D)new crustal material is created at the boundary.







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