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Paper 2 H - SAMPLE SET 1 Q5

5) This question is about the temperature of the Earth’s atmosphere.

5.1) Give one reason why it is difficult to produce models for future climate change. [1 mark]

5.2) Describe how carbon dioxide helps to maintain temperatures on Earth. [3 marks]

Figure 4 shows the change in mean global air temperature from 1860 to 2000.
Picture
5.3) Explain how human activities have contributed to the main trend shown from 1910 in Figure 4. [3 marks]

(Total for Question 5 = 7 marks)
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