Study Fig. 8, which shows variation in global temperatures over 2000 years.

1. (a)(i)What was the temperature variation in the year 1500?[1]
2. (a)(ii)When did the temperature variation first reach +0.2°C?[1]
3. (a)(iii)What is the temperature range shown by the graph?[1]
4. (b)(i)Which of the following time periods was always warmer than the average temperature? Circle the correct answer. 200–400 600–800 1000–1200 1400–1600 1800–2000[1]
5. (b)(ii)Which time period was the coolest? Circle the correct answer. 200–400 600–800 1000–1200 1400–1600 1800–2000[1]
6. (b)(iii)During which time period was the largest range of temperature? Circle the correct answer. 200–400 600–800 1000–1200 1400–1600 1800–2000[1]
7. (c)Explain why periods of higher global temperatures may result in coastal flooding.[2]

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.