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Geography
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Explain how river meanders may change over time [4 marks]

A meander is a winding curve or bend in the river. The river erodes fastest on the outside bend of the river through a process called lateral erosion. Lateral erosion results in undercutting of the river ...

Answered by Cameron C. Geography tutor
20228 Views

Explain how convection currents in the mantle drive the movement of tectonic plates.

Heat is produced through the radioactive decay of elements in the inner core. This heats the lower mantle, causing the magma to become less dense and rise. Once it reaches the upper mantle it cools, becom...

Answered by Kat G. Geography tutor
5114 Views

What is longshore drift and what coastal defence mechanism is associated with it? Give examples.

The prevailing wind is the known common direction that the wind blows along a coast, whether that is east, south west etc. it is specific to each specific site. Longshore drift is the movement of sediment...

Answered by ISABELLA M. Geography tutor
2898 Views

Explain the formation of meanders (4)

Meanders form in the lower regions of a river, where the river profile is flatter and the river bed is wide. There are 'ripples' and 'pools' which are shallow and deep parts of the river bed respectively....

Answered by Benedict B. Geography tutor
1347 Views

What are the different types of migration?

There are three main types of migration. these are chain migration, relay migration and step migration. Chain migration is when a migrant moves to a destination country for a while, finds a job and get fi...

Answered by Archie B. Geography tutor
11663 Views

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