Study Fig. 6.1, which shows use of groundwater in the UK, within each water company area.

1. (a)(i)Which water company has the highest percentage of total supply from groundwater?[1]
2. (a)(ii)Which water company uses the largest amount of groundwater?[1]
3. (a)(iii)Describe the location of the areas that use groundwater for at least 40% of their supply.[2]
4. (b)Fig. 6.2 shows UK population density and Fig. 6.3 shows annual rainfall in the UK. State the population density and annual rainfall of the areas described in (a)(iii). Population density............................................................................................................................... Annual rainfall...................................................................................................................................[2]
5. (c)Suggest why the UK's total volume of stored groundwater is decreasing.[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.