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geography revision, revision, poor water quality, desertifaction - Coggle…
geography revision
hati- LIC case study
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built one-storey,strangers homes
by 2020- 186,000 people were still homless
£2.1bn- aid pledged, hati only got £800m
hot deserts
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camels have long eyelashes, hairy ears and closing nostrils to help keep the sand out
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able and salt bushes
the frankincense tree,
short growing cycle, deep tap roots.
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aribine death scorpion- comes out at night, it doesn't drink it absorbs the moisture from the insects it eats.
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cactus
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water storage- some plants, know as succulents, store water in there stems,leaves,roosts even fruits
plants which store water in there leaves and stems also have a thick waxy skin so that they lose less water by transportation.
waxy skin- some leaves have a thick, waxy skin on their surface.
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erosion
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erosion is the action of surface processes that remove soil,rock or dissolved material from from one location on the earth's crust and then transport it to another location
headlands are formed by erosion. headlands also form caves, arches and stacks
costal management
Coastal management is defence against flooding and erosion, and techniques that stop erosion to claim lands. they say that protection in the 21st century is crucial, as sea levels rates are increasing due to climate change.
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revision
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the chinese government is building a $62 billion south-north water transfer project. the project would divert 44.8 billion cubic metres of water per year from yangtze river in southern china and more
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poor water quality
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agricultural runoff water, this picks up chemical pesticides and insecticides,nitrates and phosphates and run into our lakes and river
sewage waste can end up in our water courses,despite our attempts to clean it
runoff from roads and motorways including salt used for gritting,oil and heavy metals from car engines and exhausts
historical waste, water running through old mine workings and old industrial sites can pick up hazardous heavy metals
55% or our rivers were at less than good status for phosphorus in 2016. too much phosphorus can case increased growth of algae and large aquatic plants, which can result in decreased levels of dissolved oxygen- a process call eutrophication
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desertifaction
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a process which turns a fertiles,argricultural envirnoment into desert
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