Question 26 Rock has a response to stress similar to that of taffy. Crust that is close to the surface and cooler is more likely to be brittle and to break when stressed. Increase the pressure, howev

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Question 26

Rock has a response to stress similar to that of taffy. Crust that is close to the surface and cooler is more likely to be brittle and to break when stressed. Increase the pressure, however, and the rock will heat up, becoming ductile. Under heat and pressure, it will change its shape rather than break. Both brittle and ductile responses to stress are evident in

jointing.

mountain ranges.

seafloor spreading.

stream flow.

Question 27

Anticlines are ________________________?

folds with the oldest rocks in the middle

folds whose LIMBS dip away from the axial plane

upfolded or arched rocks

all of the other answers

Question 28

_____________ are bends in the rock strata and generally represent the ductile response of rock strata to compression within the earth’s crust.

Joints

Normal faults

Folds

Reverse faults

Question 29

Earthquakes are consistently ___A____ at ocean ridges. At ocean trenches earthquakes get increasingly ___B____ in the direction that the subducting plate is moving. The earthquakes near to surface can be ___C____, while those at depth tend to be ___D____ A. shallow and relatively small; B. deep ; C. very large; D. very small.

A. shallow and relatively small ; B. large; C. small; D. very large

A. deep and relatively large; B. large; C. small; D. very large

A. deep and relatively large; B. small; C. large; D. very dangeorus

Question 30

How many of the world’s largest earthquakes occur around the Ring of Fire?

81 %

90 %

92%

85%

Question 31

Earthquakes produce 3 types of waves. Which of the following describes a P-WAVE?

travels through the Earth’s interior & can move through solids. liquids and gases

travels through the Earth’s interior, but only thorugh solids

travels only along the Earth’s surface, complex motion, very destructive

can only travel along the Earth’s surface

Question 32

Which of the following is NOT a major earthquake zone?

the Mediterranean Sea east through the Himalayas

the mid-ocean ridge system

West Texas

the circum-Pacific “ring of fire”

Question 33

The FOCUS of an earthquake is ________________?

where the initial displacement along a fault occurs

the area on the surface where the shaking is greatest

the area where all the human deaths occur

10 feet below the surface of the ground

Question 34

The following seismic waves are used to locate earthquake epicenters:

s surface waves and P waves.

Rayleigh waves and P waves.

P waves and S waves.

surface waves and S waves.

Question 35

Which of the following seismic waves is the last to arrive at a seismic station?

Love wave

P wave

S wave

body wave

Question 36

In the rock deformation process, how is shear force described?

A pulling apart deforming an object.

Compression like using a trash compactor.

Strain as evidenced in all land forms

A tearing force like tearing paper.

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