chapter 9

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Which of the following statements is correct?

Composite volcanoes have explosive eruptions

Which of the following is correct regarding Earth's elevations?

The average elevation of Earth's surface is -2070 m (-6790 ft.)

Where would you go to find very old metamorphic rock?

a continental shield region

According to the text, the major impact of an earthquake prediction on a region would be

a decline of, and damage to, the local economy

Terranes refer to

displaced and migrating pieces of Earth's crust

Hawaiian volcanoes are

effusive in nature

The damage caused by the Loma Prieta earthquake

involved a portion of the San Andreas Fault in a strike-slip motion at depthdeep below the surface

Which of the following represents a second order of relief?

the Alps and the Rockies

The most active tectonic regions of North and South America are on the

western coasts

Which of the following is true of the moment-magnitude scale?

All of these are true

Mount St. Helens is a

composite volcano associated with an offshore subducting oceanic plate

Reverse faults are caused by

compression

The following pairing is INCORRECT

normal fault - horizontal motion

Faults that result from tensional stress are called

normal faults

The deepest single group of features on the ocean floor is

oceanic trenches

Which type of orogeny formed the Indonesian and Japanese island arcs

oceanic-oceanic convergence

The term for a topographic region with local relief less than 100 m (325 ft.) is a

plain

Continental shields are

regions where a craton is exposed at the surface

The San Andreas and Anatolian faults are

right-lateral strike slip faults

An instrument used to record vibrations in the crust is the

seismograph


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