Question

List the different types of processes mentioned in the animation and explain whether it an example of weathering, erosion, or deposition. Describe how and where each type of weathering, erosion, or deposition occurs. Explain what an outwash plain is and what types of materials are deposited there? Where did they originally come from?

Answer 1

This is xompletely correct and answer all questions.

Step-by-step explanation:

1) The first process mentioned is freeze thaw weathering and it a type of weathering. Plucking is a type of erosion. Abrasion is a type of weathering. Thermal moraine is a type of deposition.

2) Freeze thaw weathering occurs when water flowing along the bottom of the glacier freezes and opens up cracks. Plucking is when peices of rock come apart and are pulled along with the glacier. When loose pieces scrape along these sides and bottom, they more rock with them. This is abrasion. Depostion occurs when a glacier flows down a mountain leaving a few things behind. Deposition occuring at the end of a glacier a terminal moraine. An outwash pain occurs in front of this.

3) An outwash plain is a plain that occurs at the thermius of a glacier. As a glacier melts it carries down debris. This plain is where it is deposited. Sands and gravel sediments are deposited here.

Answer 2

Weathering is the process that changes solid rock into sediments. With weathering, rock is disintegrated into smaller pieces. Once these sediments are separated from the rocks, erosion is the process that moves the sediments away from it's original position. The four forces of erosion are water, wind, glaciers, and gravity. Water is responsible for most erosion. Water can move most sizes of sediments, depending on the strength of the force.

mechanical weathering, also called physical weathering, breaks rock into smaller pieces. These smaller pieces are just like the bigger rock, just smaller. That means the rock has changed physically without changing its composition. The smaller pieces have the same minerals, in just the same proportions as the original rock.

Weathering rates depend on several factors. These include the composition of the rock and the minerals it contains as well as the climate of a region. Different rock types weather at different rates. Certain types of rock are very resistant to weathering. Igneous rocks, especially intrusive igneous rocks such as granite, weather slowly because it is hard for water to penetrate them. Other types of rock, such as limestone, are easily weathered because they dissolve in weak acids.

Rocks that resist weathering remain at the surface and form ridges or hills. Devil’s Tower in Wyoming is an igneous rock from beneath a volcano. As the surrounding less resistant rocks were worn away, the resistant center of the volcano remained behind.

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