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12 Cards in this Set
- Front
- Back
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1) If a rock is subjected to differential stress, then it means that: |
The amount of stress is greater in some directions than in others |
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2) How does the stregth of continental crust vary with depth: |
Rocks become stronger with depth and then get weaker deep in the crust. |
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8) How does an angular unconformity form |
Older rocks are tilted, eroded, and overlain by younger rocks. |
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14) If an area has shallow, intermediate, and deep earthquakes, what can you infer about the area? |
It is near a subduction zone, the shallow earthquakes will be closer to the trench than deeper ones, the depth pattern of earthquakes can be used to determine which way the slab is inclined. This area has the potential for large earhquakes. |
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15) Where do most earthquakes occur near mid-ocean ridges? |
along the axis of the ridge and on transform faults that connect ridge segments |
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19) A delta forms when: |
A river slows and deposits sediment as it enters a lake or sea |
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23) Bedrock and sediment in a stream is most susceptible to erosion if it is |
located in a turbulent part of the river |
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24) Which particles of sediment are most likely to be transported as suspended load? |
small, low density particles |
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25) Which of the following does NOT influence whether sediment is picked up by a stream? A) size and density of the sediment. B) Turbulence of the moving water. C) Location of the sediment in the stream D) Whether the stream flows north-south or east- west |
D) Whether the stream flows north-south or east-west. |
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34) Regional elections on land are primarily controlled by: |
The thickness of continental crust |
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35) Which of the following occurs when mountain belts are eroded? A) erosion is accompanied by isostatic rebound. B) the continental crust becomes thinner. C) deep metamorphic and plutonic rocks can be uplifted to the surface D) all of the above |
D. |
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36) Which of the following is NOT a way in which local mountains can be built? A) prolonged volcanism in composite volvanoes B)Thrust faulting C)Normal faulting D) folding E)all of these are ways to make local mountains |
E |
