←

Earth's life support systems

From Paper 1: Physical systems
2(a)3 marks
Figure 1 shows annual precipitation and evaporation in a tropical rainforest catchment.
mm per year
Precipitation2 400
Evapotranspiration1 300
Calculate the water available for runoff and storage change.
From Paper 1: Physical systems
2(b)6 marks
Explain the role of the carbon cycle in supporting life on Earth.
From Paper 1: Physical systems
2(c)8 marks
Explain how the water and carbon cycles are linked in tropical rainforests.
From Paper 1: Physical systems
2(d)16 marks
'Human activity is now the main driver of change in the water and carbon cycles.' Discuss.
Score 0 / 33 · 0 of 4 marked

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

Earth's life support systems Exam Questions: OCR A-Level Geography | Plasmo