1
3 marks
Study Figure 1, which shows the effects of deforestation.
Suggest one way that deforestation adds carbon to the atmosphere.
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Global Climate System Links to Carbon & Water Cycles (Edexcel A Level Geography): Exam Questions
Exam code: 9GE0
3 hours19 questions
2
3 marks
Study Figure 1, which shows the process of ocean acidification.
Suggest one reason why ocean acidification threatens organisms such as coral and shellfish.
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3
3 marks
Study Figure 1, which shows the largest national emitters of carbon dioxide.
Suggest one reason why China has become the world's largest emitter of carbon dioxide.
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4
3 marks
Study Figure 1, which shows changes in the Arctic.
Suggest one reason why the Arctic is warming faster than the global average.
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5
3 marks
Study Figure 1, which shows information about forests.
Suggest one reason why deforestation threatens human well-being.
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6
3 marks
Study Figure 1, which shows a coral reef.
Suggest one reason why the decline of coral reefs threatens some coastal communities.
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1
8 marks
Explain why changes in ocean health may threaten people's well-being.
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2
8 marks
Explain why there are uncertainties about future levels of carbon release from peatlands and permafrost.
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3
6 marks
Explain how deforestation affects both the carbon cycle and the water cycle.
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4
6 marks
Explain how ocean acidification occurs and why it damages marine ecosystems.
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5
6 marks
Explain how rising global temperatures affect the hydrological cycle.
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6
8 marks
Explain why there is uncertainty about future levels of carbon emissions and global warming.
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7
8 marks
Explain how mitigation and adaptation strategies can reduce the risks posed by climate change.
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1
12 marks
Study Figure 4B.
Figure 4B
Diagram showing how climate warming impacts on the carbon cycle in a tundra environment
Assess the likely impacts of climate warming on the components of the carbon cycle shown in Figure 4B.
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2
20 marks
Evaluate the view that changes to the carbon cycle pose more threats to people than changes to the water cycle.
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3
20 marks
Evaluate the view that mitigation strategies are more important than adaptation strategies in addressing the risks posed by the degradation of the carbon cycle.
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4
12 marks
Assess the impacts of climate change on the flows (processes) in the hydrological cycle.
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5
12 marks
Assess the impact of increasing ocean acidification on people and marine ecosystems.
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6
20 marks
The processes of the carbon cycle operate at longer and slower (geological) and shorter and faster (biological) timescales.
Evaluate the view that human activities are having a greater impact on shorter term biological processes than on longer term geological processes.
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