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Summary Geography Hazardous Environments - Physical Geography $3.91   Add to cart

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Summary Geography Hazardous Environments - Physical Geography

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This is a detailed summary for the Edexcel iGCSE Geography Course. In particular for the physical geography module. This contains lots of pictures and diagrams laid out in a clean, unclustered page with all the necessary details to get an A*. I made this for my GCSEs in 2016 where I achieved an A* ...

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  • February 25, 2018
  • 13
  • 2015/2016
  • Summary
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By Yasser Qureshi
Hazardous Environments
Hazard: A threat (whether natural or human) that has the potential to cause loss of life, injury,
property damage, socio-economic disruption or environmental degradation.

They can be: Geological Climatic Biological Technological

Aspects of Hazards: Structure of the Earth:
1 Distribution
2 Frequency
3 Scale
4 Prediction




Plate Boundaries:

The crust is made up of pieces of tectonic plates that can move due to convection currents. Where
these tectonic plates meet earthquakes and volcanoes are likely to occur and it is called a plate
boundary.

They can: Diverge Transform Converge

Types:

1 Destructive 2 Conservative




1 Oceanic and continental plates move towards 1 This is when plates move at different speed in
each other the same direction or in a different direction
2 Denser oceanic crust subducts under the less 2 There is a build up of friction when they ‘lock’
dense continental plate 3 Once released, plates slip in a sudden
3 Oceanic crust melts and is destroyed movement causing shockwave.

1

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