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Soil that is reddish,intensely leached,and rich in iron and aluminum minerals most likely forms in:


A) tropical climate
B) temperate climate
C) arid climate
D) an area with only minor soil development
E) a short amount of time

Correct Answer

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Which of the following slope failures moves at the slowest rate?


A) earth flow
B) rock avalanche
C) debris flow
D) rock fall
E) debris avalanche

Correct Answer

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What is the main process by which soils form?


A) deposition of silt on a floodplain
B) deposition of silt by the wind
C) weathering
D) erosion

Correct Answer

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Which of the numbered soil horizons are most likely to represent an accumulation of organic debris? Which of the numbered soil horizons are most likely to represent an accumulation of organic debris? A) 1 and 2 B) 2 and 3 C) 3 and 4 D) 4 and 5 E) all of these


A) 1 and 2
B) 2 and 3
C) 3 and 4
D) 4 and 5
E) all of these

Correct Answer

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What is the main force involved in the stability of slopes?


A) water pressure
B) sunlight
C) wind
D) gravity
E) radioactivity decay

Correct Answer

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Which of the following is NOT a common trigger for slope failure?


A) adding water to a slope
B) volcanic eruption
C) shaking during an earthquake
D) oversteepening of cliffs or hillslopes during road construction
E) all of these are common triggers for slope failure

Correct Answer

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What is a common rock that can be dissolved by water and weak acids?


A) quartzite
B) quartz-rich sandstone
C) limestone
D) all of these

Correct Answer

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Which of the following has the lowest potential for landslides?


A) Pacific Northwest
B) southern California
C) bluffs along rivers in the central U.S.
D) Florida
E) Appalachian Mountains

Correct Answer

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What type of slope failure is depicted in this photograph? What type of slope failure is depicted in this photograph? A) creep B) rock fall C) debris avalanche D) permafrost


A) creep
B) rock fall
C) debris avalanche
D) permafrost

Correct Answer

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The main feature shown in this photograph illustrates? The main feature shown in this photograph illustrates? A) weathering B) flooding C) permafrost D) slope failure


A) weathering
B) flooding
C) permafrost
D) slope failure

Correct Answer

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Which of the following is the main hazard for areas along the river terrace?


A) shrinking and swelling of clays
B) slow movement of material downslope
C) rock falls
D) debris flows that carry large blocks from the volcano

Correct Answer

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Which of the numbered soil horizons is most likely to have remnants of weathered bedrock? Which of the numbered soil horizons is most likely to have remnants of weathered bedrock? A) 1 B) 2 C) 3 D) 4 E) 5


A) 1
B) 2
C) 3
D) 4
E) 5

Correct Answer

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