Geography Mock Exam Revision

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What is water security?
It means having a reliable and sustainable source of enough good quality water.
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What can water deficit lead to?
It can lead to water insecurity when there is not enough clean water for everyone's needs.
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Give examples of areas with water security.
Canada and Brazil are areas with high rainfall or very low population density.
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Give examples of areas with water insecurity.
Libya and Mexico are areas with low rainfall or high population density.
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What is water surplus?
Having more water than is needed.
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What is water deficit?
Having not enough water than is needed.
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What does water insecurity lead to?
Pollution and disease,conflict and industrial output.
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Where is water pollution a major problem?
In rapidly industrialising countries where a lot of industrial waste is dumped into rivers without being treated.
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What does rapid urbanisation lead to?
Water pipes and sewers are not being able to be built quick enough to supply the growing population which prevents seawage from contaminating the supply.
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What are water transfers?
They are large scale engineering projects which move water from a river that has surplus water to a river that has a water shortage.
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What are water transfers normally transferred by?
They are transferred by canals and pipes.
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How can you improve water flow of a river channel?
Dredging is used to deepen the river channel which improves water flow.
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What is desalination?
It is the removal of salt from seawater so that it can be used.
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Explain the desalination in London.
London has a desalination plant on the banks of the River Thames. It can supply water for 400 000 homes.
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Explain efficiency in Dubai.
Dubai's new desalination plant is 82% efficient compared to 45% of plants in Europe.
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Explain an example of water transfer.
Birmingham's water supply comes from the Elen Valley in Midwales.
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Why do resevoirs cause conflict?
Because they flood agricultural land.
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What is water conservation?
It is about using less water.
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Give some examples of water conservation.
Fixing leaking resevoirs and fitting homes and businesses with water meters.
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What does recycling water mean?
It means taking water that has already been used and using it again.
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What does grey water mean?
It is a type of recycled water and is water used for sinks which is untreated.
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How can water be safe to reuse?
By piping the water treatment plants where it is treated.
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Explain China transferring water.
China is transferring water from the wetter south to the drier north.
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Advantages of China transferring water.
Provides water for people in cities e.g Beijing, brings wealth to country and allows industry to develop.
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Disadvantages of China transferring water.
Large areas have been flooded, is very expensive and water stress will increase.
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Other cards in this set

Card 2

Front

What can water deficit lead to?

Back

It can lead to water insecurity when there is not enough clean water for everyone's needs.

Card 3

Front

Give examples of areas with water security.

Back

Preview of the front of card 3

Card 4

Front

Give examples of areas with water insecurity.

Back

Preview of the front of card 4

Card 5

Front

What is water surplus?

Back

Preview of the front of card 5
View more cards

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