Section C (25 marks)
4
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(a)
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Study Fig. 8 which shows the East African rift valley and plate boundaries in the area.
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Fig. 8
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Using Fig. 8, describe the location of the volcanoes and lakes. [4]
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Location of volcanoes
Location of lakes
4@1m
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(b)
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With the help of an annotated diagram, explain how a rift valley is formed. [4]
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1m – diagram
3m - explanation
4@1m
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(c)
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Read the details about Mt Nyamuragira (shown on Fig. 8) and its eruption in 2010, as described in Fig. 9.
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Fig. 9
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(i)
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What is the evidence from Fig. 9 that Mt Nyamuragira is a shield volcano? [4]
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4@1m
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(ii)
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Using Fig. 9, explain what risks the volcano presented to the people when it erupted in 2010. [4]
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4@1m
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(d)
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The Red Sea lies on a divergent plate boundary. Explain the processes taking place at such a plate boundary. [3]
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3@1m
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(e)
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‘Earthquakes measuring the same magnitude on the Richter Scale cause similar kinds of damage.’
How far do you agree with this statement? Give reasons for your answer. [6]
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Same magnitude earthquakes cause similar kinds of damage:
Other factors that cause damage earthquake damage:
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Level 1
(0 - 2m)
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At this level answers will be generalised or with minimal support if any stand were given at all.
Reasoning rather weak and expression may be unclear.
A basic answer that has little development.
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Level 2
(3 - 4m)
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Disagreement or agreement will be supported by appropriate detail.
Or, both agreement and disagreement are considered, but support is patchy so that the answer is not full.
Good reasoning and logic in parts of the answer with good expression in places.
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Level 3
(5 - 6m)
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At this level answers will be supported by sound knowledge.
Both agreement and disagreement are considered and well supported.
Reasoning is clear and logical with good expression of language.
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