It is demonstrated by the given chart the changes in water levels of reservoirs in six cities in Austrlia from 2009 to 2010.
Overall, it is clear crystal that the gap of water levels of reserviors from 2009 to 2010 is not much difference, and most of cities in the chart are essentailly unchanged.
The city that has changed most significantly is Gold Coast, which increases approximately 20% from 2009 to 2010. Meanwhile,the another 2 cities also have changed in water levels of reservoirs are Brisbane and Melbourne, whereas the proportion of grow is very small compared with Gold Coast’s .Follow by other 3 cities(Sydney, Perth, Darwin), their water levels of reservoirs have barely changed at all, even Sydney has a little bit of downward trend.
In conclusion, through the graph, we can realise that water is a indispenable resource in our life, we need to save water and eliminate waste.
