AnswersMO-Earth and Space Science AForces in Earth's Crust

Forces in Earth's Crust Answers

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1
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In which type of fault is the hanging wall above the footwall?

A
normal
B
reverse
C
strike-slip
D
horizontal
2
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What type of stress occurs when a rock mass is pushed in parallel and opposite directions?

A
compression
B
faulting
C
shearing
D
tension
3

What type of stress occurs when one plate pushes against another?

A
compression
B
faulting
C
shearing
D
tension
4

A scientist observes a feature where the hanging wall moved downward relative to the footwall. Which feature does the scientist observe?

A
anticline
B
syncline
C
normal fault
D
strike-slip fault
5

How is a plateau different from a fault-block mountain?

A
A plateau forms due to shearing, and a fault-block mountain does not.
B
A fault-block mountain forms from a reverse-fault, and a plateau does not.
C
A plateau forms when a flat block of rock is uplifted, and a fault-block mountain does not.
D
A fault-block mountain forms when the center block is uplifted, and plateau does not.
6

Which type of basin forms at transform boundaries?

A
rift
B
wedge
C
arc
D
strike-slip
7

Which best describes how wedge basins form?

A
When two plates move apart, the weaker part of Earth’s crust moves down at normal faults where sediments are deposited until a basin forms.
B
At the area where two bent plates slide past each other, a depression forms where sediments are deposited.
C
When two plates collide, the non-subducting plate scrapes the subducting plate and forms a depression where sediments gather.
D
At the area of a depression between two plates, sediments continue to get deposited and become compacted.
8

Where does shearing often occur?

A
along a normal fault
B
along a reverse fault
C
at a transform boundary
D
at a divergent boundary
9

A scientist observes a fault where the hanging wall has moved upward relative to the footwall. Which type of fault is the scientist observing?

A
normal
B
reverse
C
strike-slip
D
horizontal
10

Which type of basin forms at divergent boundaries?

A
rift
B
strike-slip
C
wedge
D
arc

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