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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, becomes ...
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Answered by
Kat G.
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Geography tutor
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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 sediments a...
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ISABELLA M.
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Geography tutor
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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. As...
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Benedict B.
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Geography tutor
2604 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 finan...
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Answered by
Archie B.
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Geography tutor
18960 Views
Consider how international trade, TNCs and variable access to markets underly impacts on your life and other people’s lives across the globe. (20 marks)
Would structure answer as such:Introduction: Define the three key terms (international trade, TNCs and variable access to markets - particularly final one); Introduce main impacts to be covered in essayWould...
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Answered by
Isabel H.
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Geography tutor
4464 Views
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