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Geography
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How does freeze-thaw weathering occur?

Freeze-thaw weather occurs when water enters a small crack in a rock, which often happens during rainfall, then when temperatures fall to below 0 degrees celsius this water freezes and expands. This widen...

Answered by Emily G. Geography tutor
3359 Views

How is systems theory approach applied to the hydrological cycle?

The hydrological cycle can be understood through a systems approach. Systems are bounded and have inputs, outputs and throughputs. The global hydrological cycle is a closed system driven by solar energy a...

Answered by Catharine H. Geography tutor
4158 Views

how are island arcs created

hot spots in the earths core cause intense heating of the crust. This heating causes magma to rise and break the sea floor. a volcano is formed. Over time, due to tectonic plate movement (wegener) the cru...

Answered by Rory H. Geography tutor
2499 Views

Explain the concept of a sediment cell. (4 marks)

A sediment cell is a section of coast that has been controlled for management purposes, where shingle and sandstone geology is contained and regulated to keep a healthy sediment budget. Sediment cells are...

Answered by Alicia W. Geography tutor
13859 Views

Describe the impact on a developed donor country as a result of an increase in migration

One benefit to Poland’s population reducing due to migration to the UK would be that it relieves pressure on local services such as healthcare and schools. This means that they would have more money to ev...

Answered by Lily M. Geography tutor
1398 Views

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