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Key idea 1.1 What content do I need to know to revise these key idea
1. Culture and
beliefs What do I need to know to revise this key idea.
influence the Key Idea 1 must be explored through at least one case study. This case study m
ways in…

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endangered? Fish and marine life). For revision of Global wa
see the last two sections of the revision booklet.
2. Pollution. To revise pollution see attached case studyWh
pollution a problem? Pollution of the oceans case study.

Examples of past exam questions related to the unit.
"What are two causes…

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Reasonably efficient in the power needed to keep industry and transport gr

Disadvantages of using nonrenewable sources of energy?
Fossil fuels are running out (They take a long time to be created. Oil a
close to being used up, approx 6070s years. There is approx 200 years of
Fossil fuels…

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The local ecosystem is damaged and environmental damage is widespread
Water in huge reservoirs is lost through evaporation, especially in hot coun

What is tidal power?
Tidal power is the use of tidal movements of the sea (waves) by converting wave
into electricity
What are the advantages of using hydropower?…

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Some people think wind turbines ruin the landscape
The blades on wind turbines can kill birds

What is Biomass (power from plants)
Biomass is an energy source taken from organic matter. It is called bioenergy
What are the advantages of using Biomass/Bioenergy?
It create less pollution than fossil fuels

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In more detail....
1. Transport
Airports, roads, docks and rail terminals have to be built to accommodate to
More transport means more air pollution.
Aircraft and road transport produces carbon dioxide and microscopic carbo
Roads and airports take up land and change the ecology of an area.

2. Accommodation…

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As an area grows local people are displaced by hotels, shops, restaurants
are built where they used to live.
The peaceful beauty of a place maybe lost in an attempt to attract tourists
New cultures replace the old.

Revision notes--Revise the different reasons for why tour
an environmental issue. Divide…

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This has set up directives to limit the use of local resources and reduce the
There is now a local organisation that controls the number of visitors and m
them and uses some of the money paid for guides and "sherpas" for local
conservation and development

Types of organisation…

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knowledge. For example "Climate change is the single most
important issue we face as a global community" Tony Blair A

Most scientists agree that
1. The climate is changing
2. We produce more green house gases than we used to
3. That global warming is taking place

Scientific thinking…

Page 10

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Revision notesrevise at least 3 examples of the evidence fo
global warming/climate change being a serious threat. AA*
at least 4

1.3 What will be the effects of global warming/climate chang
Unpredictable effects
Uneven impact across the world
Effects on plant and animal life

1. Unpredictable effects
Major cities could…


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