the chart below shows the percentage of water in UK rivers that was classified as having good chemical quality between 1990 and 2002. Summurise the information by selecting and reporting the main features, and make comparisons where relevant.

The line chart illustrates the proportion of water in UK rivers as having excellent chemical quality from 1990 to 2002. Overall, the water in Wales and Northern Ireland mainly sustained the highest water quality throughout the period, whereas there was a notable fluctuation in England and Scotland, with Scotland occupying the most dramatic rise and […]

The line graph illustrates the percentage of good quality rivers in four different countries ( Wales, Northern Ireland, England and Scotland ) from 1990 to 2002. Overall, it is clear that there was an upward trend in the percentage of quality water in three of the countries, except for Wales. Although, Wales had the highest […]

The line graph illustrates the percentage of water in UK rivers that was classified as containing good chemical quality from 1990 to 2002. Overall, Wales and Northern Ireland had the highest percentage compared to the others rivers. In addition, both showed a stable growth, but in the end both of them showed two opposite trajectories. […]