Global Climate System Links to Carbon & Water Cycles (Edexcel A Level Geography): Exam Questions

Evaluate the view that changes to the carbon cycle pose more threats to people than changes to the water cycle.

(20)

Explain why there are uncertainties about future levels of carbon release from peatlands and permafrost.

(8)

Evaluate the view that mitigation strategies are more important than adaptation strategies in addressing the risks posed by the degradation of the carbon cycle.

(20)

Study Figure 4B.

Figure 4B  Diagram showing how climate warming impacts onthe carbon cycle in a tundra environment

Assess the likely impacts of climate warming on the components of the carbon cycle shown in Figure 4B.

(12)