1
2 marks
State two storages in the carbon cycle.
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Biogeochemical Cycles (DP IB Environmental Systems & Societies (ESS): SL): Exam Questions
33 mins10 questions
2
2 marks
State two flows in the carbon cycle.
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3
1 mark
Define the term biogeochemical cycle.
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4
1 mark
Identify one organic store of carbon.
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5
1 mark
Outline one way carbon can move between stores in an ecosystem.
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6
1 mark
Outline one way human activities impact the carbon cycle.
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1a
2 marks
Part of the carbon cycle is shown in the diagram below.
Identify processes X and Y in the diagram.
1b
3 marks
Describe how carbon is released during process Y.
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2a
2 marks
Carbon from fossil fuels enters the atmosphere during combustion.
Explain how this process contributes to rising average global temperatures.
2b
2 marks
Cutting down trees during deforestation increases the problem described in part a.
Explain how.
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1
7 marks
Explain how different components of the carbon cycle act as stores, sinks or sources.
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2
9 marks
Discuss how managing carbon stores and sinks contributes to climate change mitigation.
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