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What are the three ways in which a river erodes its valley?

Corrasion, Hydraulic action, Attrition


What are three types of erosion that can affect a river valley?

Three types of erosion that can affect a river valley are hydraulic action, abrasion, and attrition. Hydraulic action refers to the force of moving water eroding the river banks, abrasion is the process of rocks and sediment in the water wearing away the riverbed, and attrition occurs when rocks in the river collide, break down, and become smoother over time.


Why does the world map look the way it does?

because of glaciersdifferent types of erosione.g river- attrition, corasion, hydraulic action, abrasionrocks-soft rocks getting erodedwaterfalls formingmountains


What are the geographical processes related to the issue of coastal management?

attrition, abrasion, hydraulic action, corrosion and erosion.


What are the four processes of marine erosion?

The four processes of marine erosion are hydraulic action (pressure from water), abrasion (wearing down of rocks by sediment), attrition (rock particles colliding and breaking down), and corrosion (chemical dissolution of rocks).


What kind of erosion occurs in rivers?

The main types of erosion that occur in rivers are hydraulic action, abrasion, attrition, and solution. Hydraulic action is the force of the water itself wearing away at the river banks, while abrasion is the process of rocks and sediment carried in the water rubbing against the river bed and banks, wearing them down. Attrition is when rocks and sediment in the water collide with each other, causing them to break and become smoother. Solution occurs when certain rocks or minerals dissolve in the water, contributing to erosion.


What are two processes of erosion found in rivers?

The two erosional processes found in rivers are mainly attrition and vertical hydraulic action. Attrition is where the moving river water dislodges materials like rocks on the sides of the river and carries them with the flow. Vertical hydraulic action is where moving water removes materials from the riverbed and carry it with the flow. This causes less resistant rocks to be eroded and thus forming a plunge pool, or waterfall.


What is the order of erosion by water?

The order of erosion by water is typically: hydraulic action, abrasion, attrition, and solution. These processes work together to shape the land through the movement and deposition of sediment.


What are 5 types of coastal erosion?

Abrassion/Corrasion-Where sand and shingle are picked up by waves and scrap along the coastline. Hydraulic Action-The pounding affect of water on the coastline during storms. Also water and air is compressed into joints and cracks and weakens the rock. Corrosion-When certain types of cliff erodes by the weak acids in the sea. Attrition-When the waves causes rocks and pebbles to bump into each other and break


What are corrosion abrasion solution and attrition all types of?

swash


What are 3 main types of work a river carries out along its valley?

the work of rivers can be seen in three ways namely 1. transportation of materials from uplands to lowlands 2. erosion by rivers and the resultant features 3. deposition by rivers and its effects


How does erosion change the appearance of rocks?

by different types of erosion, arbraison, hydraulic action and another one but i forgot what its called :L