Soil is a mixture of all of the following EXCEPT __________.
__________ erosion occurs when water flows down a slope in a thin layer.
__________ is a mixture ranging from small particles to large boulders.
Mechanical weathering can result from the action of all of the following EXCEPT __________.
|A)||burrowing by animals|
U-shaped valleys are formed by __________.
__________ is the result of sand and gravel deposits left by rivers.
__________ are formed when sediment accumulates in large amounts at the mouth of a river.
Gravity, ice, wind, and water are agents of __________.
Which list correctly places channels in order from smallest to largest?
|A)||gully, rill, stream|
|B)||rill, gully, stream|
|C)||stream, gully, rill|
|D)||rill, stream, gully|
Silt that is carried by the wind and then deposited is called __________.
A __________ occurs along curved surfaces.
Deflation is an erosional process of __________.
Sediment accumulates to create all of the following EXCEPT __________.
Canyons are formed by the erosional processes of __________.
Chemical weathering is more rapid in areas with __________.
|A)||moist, cool air|
|B)||dry, cool air|
|C)||warm, moist air|
|D)||dry, warm air|
Water moving over Earth's surface results in __________.
When materials containing iron are exposed to water and oxygen, __________ can occur.
Rock flour is a result of __________ erosion.
All of the following EXCEPT __________ can weather rock.
|D)||freezing and thawing|
A form of erosion that results in pitted or smoothly polished rocks is __________.