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| 1 | |
Soil is a mixture of all of the following EXCEPT __________.
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| | A) | weathered rock |
| | B) | organic matter |
| | C) | erosion |
| | D) | air |
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| 2 | |
__________ erosion occurs when water flows down a slope in a thin layer.
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| | A) | Outwash |
| | B) | Till |
| | C) | Sheet |
| | D) | Abrasion |
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| 3 | |
__________ is a mixture ranging from small particles to large boulders.
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| | A) | Sediment |
| | B) | Till |
| | C) | Deposition |
| | D) | Outwash |
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| 4 | |
Mechanical weathering can result from the action of all of the following EXCEPT __________.
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| | A) | burrowing by animals |
| | B) | ice wedging |
| | C) | carbonic acid |
| | D) | plant roots |
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| 5 | |
U-shaped valleys are formed by __________.
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| | A) | rivers |
| | B) | rock slides |
| | C) | glaciers |
| | D) | lakes |
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| 6 | |
__________ is the result of sand and gravel deposits left by rivers.
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| | A) | Sediment |
| | B) | Deposition |
| | C) | Outwash |
| | D) | Till |
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| 7 | |
__________ are formed when sediment accumulates in large amounts at the mouth of a river.
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| | A) | Deltas |
| | B) | Rills |
| | C) | Tills |
| | D) | Outwashes |
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| 8 | |
Gravity, ice, wind, and water are agents of __________.
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| | A) | runoff |
| | B) | erosion |
| | C) | abrasion |
| | D) | deflation |
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| 9 | |
Which list correctly places channels in order from smallest to largest?
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| | A) | gully, rill, stream |
| | B) | rill, gully, stream |
| | C) | stream, gully, rill |
| | D) | rill, stream, gully |
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| 10 | |
Silt that is carried by the wind and then deposited is called __________.
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| | A) | loess |
| | B) | till |
| | C) | talcum |
| | D) | flour |
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| 11 | |
A __________ occurs along curved surfaces.
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| | A) | creep |
| | B) | mudflow |
| | C) | rock slide |
| | D) | slump |
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| 12 | |
Deflation is an erosional process of __________.
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| | A) | water |
| | B) | ice |
| | C) | landslides |
| | D) | wind |
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| 13 | |
Sediment accumulates to create all of the following EXCEPT __________.
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| | A) | sand dunes |
| | B) | mountain bowls |
| | C) | bars |
| | D) | deltas |
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| 14 | |
Canyons are formed by the erosional processes of __________.
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| | A) | ice |
| | B) | streams |
| | C) | gravity |
| | D) | wind |
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| 15 | |
Chemical weathering is more rapid in areas with __________.
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| | A) | moist, cool air |
| | B) | dry, cool air |
| | C) | warm, moist air |
| | D) | dry, warm air |
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| 16 | |
Water moving over Earth's surface results in __________.
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| | A) | loess |
| | B) | runoff |
| | C) | abrasion |
| | D) | deflation |
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| 17 | |
When materials containing iron are exposed to water and oxygen, __________ can occur.
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| | A) | wedging |
| | B) | mechanical weathering |
| | C) | oxidation |
| | D) | ironization |
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| 18 | |
Rock flour is a result of __________ erosion.
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| | A) | wind |
| | B) | water |
| | C) | glacial |
| | D) | soil |
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| 19 | |
All of the following EXCEPT __________ can weather rock.
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| | A) | animals |
| | B) | sunlight |
| | C) | plants |
| | D) | freezing and thawing |
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| 20 | |
A form of erosion that results in pitted or smoothly polished rocks is __________.
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| | A) | deflation |
| | B) | abrasion |
| | C) | runoff |
| | D) | till |
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