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Mass wasting is the downslope movement of soil and weathered rock debris. Streams can deepen valleys by downcutting (erosion), but widening or enlarging of the valley via erosion of the sides or slopes is accomplished largely through mass wasting. Mass wasting delivers the weathered rock material and soil to the streams, which carry it away to some site of deposition.

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How are river valleys are formed?

River valleys are formed by stream erosion.


What are two types of stream valleys?

Two types of stream valleys are V-shaped valleys, which are narrow and steep-sided, typically found in the upper courses of rivers, and U-shaped valleys, which are wider with a flat bottom and steep sides, usually formed by glacial erosion.


What are river valleys formed primarily by?

River valleys are primarily formed by the erosion caused by flowing water over a long period of time. The force of the water wears away the surrounding land, deepening and widening the valley over time. Additionally, other factors such as tectonic activity and glaciation can also contribute to the formation of river valleys.


What are the stream valleys associated with plateaus?

The stream valleys associated with plateaus are often deep and narrow, with steep sides. These valleys are typically created by the erosive force of rivers cutting through the plateau over time. They can provide important routes for water drainage and transportation through the plateau region.


What kind of stream form V-shaped valleys?

Streams that are first forming.


How does a stream make soil?

Streams can contribute to soil formation through erosion of rocks and minerals from their banks and beds. The flowing water carries sediment downstream, which can accumulate and mix with organic material to create fertile soil. Over time, the repeated deposition of sediments by the stream can contribute to the development of soil.


V-shaped stream valleys result from the downcutting of stream erosion and?

the uplift of the surrounding landmass. The stream erodes downward, carving a V-shaped valley, while the landmass rises due to tectonic movement. Over time, this combination results in the formation of V-shaped stream valleys.


Where is groundwater closest to earth surface in stream valleys?

Groundwater is typically closest to the Earth's surface in stream valleys due to the topography and geology of these areas. Water from streams can infiltrate into the ground, recharging the groundwater system and bringing it closer to the surface in these valley locations. This proximity to the surface in stream valleys makes them important areas for groundwater recharge and interactions between surface water and groundwater.


Where are Real Examples in the world of valleys?

Almost anywhere that water is flowing: a stream, rivulet or river.


What are the stream the contribute to a river system called?

Tributaries


What are the stream that contribute to a river system called?

The streams that contribute to a river system are called tributaries.


What are valleys called in Scotland?

Valleys in Scotland are often referred to as glens. Glens are typically U-shaped valleys formed by glaciers and are common throughout the Scottish Highlands. They are often characterized by a river or stream running through them.