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Explain the four processes of erosion in rivers.

Hydraulic action: This process involves air particles finding their way into the cracks of rocks. This then causes air particles to compress which adds pressure, causing rocks to break away and erode. Abrasi...
KJ
Answered by Katie J. • Geography tutor
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What are the different types of plate margin?

There are three different types of plate margins you need to know about. Destructive (convergent) plate margin - this occurs where oceanic and continental plates move together. The denser oceanic plate subdu...
AW
Answered by Amy W. • Geography tutor
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How does glacial retreat pose a threat to the areas in which it occurs?

The issue with glacial retreat is that due the specificity of the glacial climate, the surrounding economies rely heavily on the glaciers as a source of income. For instance, the tourist industry of the area...
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Answered by Srishti D. • Geography tutor
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Name two other weather instruments which are kept in a Stevenson Screen and for each one state the weather characteristic it measures.

A barometer can be found in a Stevenson screen. This instrument measures air presure. A maximum and minimum thermometer can also be found in a Stevenson screen.They measure highest and lowest temperatures. A...
AY
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How are ox-bow lakes formed?

As a river flows across a valley over time it will meander in order to find the path of least resistance through patches of soft and hard rock. As the river meanders it erodes the outside of the bend (the so...
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Answered by Sophie C. • Geography tutor
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