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This document consists of 15 printed pages and 1 blank page.
SP (SM/CGW) T25421/5
© UCLES 2007 [Turn over
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONSInternational General Certificate of Secondary Education
READ THESE INSTRUCTIONS FIRST
Write your Centre number, candidate number and name on all the work you hand in.Write in dark blue or black pen.You may use a soft pencil for any diagrams, graphs or rough working.Do not use staples, paper clips, highlighters, glue or correction fluid.DO NOT WRITE IN ANY BARCODES.
Answer both questions.
At the end of the examination, fasten all your work securely together.The number of marks is given in brackets [ ] at the end of each question or part question.
*
7
4
9
6
1
2
6
9
1
1
*
ENVIRONMENTAL MANAGEMENT 0680/02
Paper 2 May/June 2007
1 hour 45 minutes
Candidates answer on the Question Paper.Additional Materials: Ruler
For Examiner’s Use
1
2
Total
w w w . X t r e m
e P a p e r s . c o m
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1 (a) Look at the cross-section.
Section from the mountains to the sea
(i) Name the two stores of fresh water labelled B and C on the section.
B ...............................................................................................................................
C ...........................................................................................................................[2]
(ii) Why might it be possible for people to obtain fresh water, at point D, other thanfrom the river?
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(iii) How could people obtain this water?
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high
mountains
river
A
river
layer of
sandstone
rock
sea
A
C
B
D
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(iv) Choose one of the sources from A–D which is likely to have water that will be safeand clean for people to use. Explain your choice.
Letter ....................
Explanation ..............................................................................................................
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(v) Which one of the four sources is least likely to give clean water? Explain yourchoice.
Letter ....................
Explanation ..............................................................................................................
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(b) Dams are often built to hold back reservoirs for water supply.
(i) Give the name and location of a dam.
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(ii) Explain why the dam was built and what advantages it has brought to the localpeople.
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(c) The divided bar graphs show average amounts of water used, by a family each day, inrural areas of the UK and Bangladesh. They also show how the water is used.
Average daily water use and uses by a family in rural areas of the UK and Bangladesh
(i) How many more litres of water are used by a family in the UK than in Bangladesh?
..............................................................................................................................[1]
(ii) How many times greater is the amount used by a family in the UK?
..............................................................................................................................[1]
(iii) For which one of the uses named in the graphs is the daily consumption of wateralmost the same in the UK and Bangladesh?
..............................................................................................................................[1]
(iv) Suggest a reason for this.
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(v) The UK is a developed country. Bangladesh is a developing country. Explain why there are differences in use of water between countries with different
levels of economic development.
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Rural
UK
0 10 20 30 40 50 60 70
Washing Washing
Clothes OthersFlushing Toilet
C o o k i n g a n d
D r i n k i n g
O t h e r s
W a s h i n
g D i s h e s
a n d C
l e a n i n g
C o o k
i n g a n d
D r i n k i n g
W a
s h i n g
C l o t h e s
W a
s h i n g
W a s h i n g
D i s h e s a n d
C l e a n i n g
W a t e r i n g
G a r d e n
W a s h i n g C a r
80 90
(litres)
100 110 120 130 140 150 160 170 180
Rural
Bangladesh
0 10 20 30 40 50
(litres)
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(d) There are large differences in access to safe water supplies between urban and ruralareas in many developing countries in Africa. Two examples are shown in the table.
% of people with access to safe water supplies
Country Urban areas Rural areas
Kenya 70 50
Nigeria 85 40
(i) On the graph paper below, draw a bar graph to show these percentages. Completeyour graph with a key.
[4]
(ii) Give reasons why there are differences in access to safe water supplies betweenurban and rural areas in many developing countries.
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(e) Look at the cartoon about a rural area in Africa.
Walking four hours to fetch water
(i) What does it suggest about the views of some people in the area to change anddevelopment?
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(ii) Explain how sinking a new well can reduce disease, increase economic outputand improve the quality of life for everyone in rural areas in developing countries,especially for the women and children.
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(iii) Why is outside help from charities such as Water Aid often needed?
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2 (a) Look at the two plate boundaries shown in Diagrams A and B.
Diagram A
Mountain range
Volcano
Continental
plate
Magma
Oceanic plate
Ocean
S
u b d u c t i o n z o n e
Mantle
KeyMovement of flow of magma
Direction of plate movement
Diagram B
KeyMovement of flow of magma
Direction of plate movement
Ocean
Plate Plate
Continent
Continent
MantleMagma
Ocean
(i) Describe what is happening to the two plates in A and the two plates in B.
A ...............................................................................................................................
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B ...............................................................................................................................
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(ii) The source of the magma is different in the two diagrams. Where has the magmacome from in A and B?
A ...............................................................................................................................
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B ...............................................................................................................................
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(iii) Why are volcanoes formed at plate boundaries?
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(iv) State one difference between volcanoes along these two types of plate boundary.
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(v) Some volcanic eruptions result in great loss of life; in others, no one is killed. Givereasons for the large difference in numbers of people killed.
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(b) In some countries electricity is made from geothermal power. Look at the diagram of thegeothermal power station.
Geothermal power
cold water
pumped down
water at 100°C
kept as liquid
by pressure
200°C hot mass of
igneous rocks
(i) How is the electricity produced?
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(ii) Why are areas of active volcanic activity needed for its production?
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(c) The graph shows average costs of producing electricity from different energy sources in2003.
Costs of producing electricity (2003)
(i) Describe what the graph shows about the cost of producing geothermal electricitycompared with electricity from other energy sources.
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(ii) Explain how likely it is that geothermal power will be used more in the future as analternative to fossil fuels.
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Solar0
10
20
U S
c e
n t s p e r k w / h r
30
40
50
Wave Biomass Wind Nuclear
Energy source
Geothermal Hydro-electric
Fossilfuels
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(d) Look at the information below about world supply and demand for oil.
Oil reserves are running out
Total global oil
In 2002, 25 billionbarrels of oil were usedworldwide. Only 8 billionbarrels of new reserveswere discovered
Discovery vs demand
994 billion barrels
extracted
to date
764 billion barrels
remaining in
known fields
142 billion
barrels
yet to find
= 100 billion barrels1955
0
10
20
30
40
50
60
Billion barrels of oil per year
1965 1975 1985 1995 2005
demand
discovery
Oil reserves arerunning out
(i) Describe what happened to the demand for oil between 1955 and 2005.
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(ii) Quote values and information which support the following statements.
1 Oil reserves are running out.
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2 The present use of oil is not sustainable.
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(iii) What is likely to happen to the demand for oil after 2005? Explain your answer.
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(e) A One person’s view of nuclear energy
“Future shortages of electricitycan only be avoided by building
new nuclear stations. It is a cleansource, capable of producinglarge amounts of energy.”
B Another person’s view of nuclear energy.
“I strongly object to anyincrease in nuclear energy.
It is just too dangerous.”
(i) Explain why some people hold the view about nuclear energy stated in A.
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(ii) State the different arguments which supporters of view B could use.
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(iii) What is your view on nuclear power? How strong are the different arguments putforward in part (ii)?
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[Total: 40]
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Copyright Acknowledgements:
Question 2(d) © The Association for the Study of Peak Oil & Gas.
Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Everyreasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the
publisher will be pleased to make amends at the earliest possible opportunity.
University of Cambridge International Examinations is part of the University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of
the University of Cambridge.
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