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Water and carbon cycles: The carbon cycle

From Mock A · Paper 1: Physical geography
1.14 marks
Figure 1 shows approximate sizes of global carbon stores.
StoreCarbon (GtC, approx.)
Oceans (mostly deep ocean)38 000
Fossil fuel reserves4 000
Soils and permafrost3 000
Atmosphere870
Vegetation550
Analyse the data shown in Figure 1.
From Mock A · Paper 1: Physical geography
1.420 marks
'Human activity has caused fundamental changes to the global carbon cycle.' To what extent do you agree with this view?
From Mock C · Paper 1: Physical geography
1.14 marks
Figure 1 shows annual carbon fluxes (data are illustrative, written for this paper).
FluxGtC per year
Photosynthesis (land)120
Respiration and decomposition (land)118
Ocean uptake92
Ocean release90
Fossil fuels and cement10
Analyse the data shown in Figure 1.
Score 0 / 28 · 0 of 3 marked

This paper is written by Plasmo in the style of the AQA A-Level Geography exam. It is not a past paper and is not produced or endorsed by the exam board.

The carbon cycle Exam Questions: AQA A-Level Geography | Plasmo