The charts shows air pollution levels by different causes among four countries in 2021. Summaries the information by selecting and reporting the main features, and make comparisons where relevant.

The bar graph illustrates the rates of air pollution caused by varying reasons in four states in 2021. Overall, china had the highest rate of air pollution, in contrast Australia had the lowest rate of air pollution. Transport caused the highest rate of pollution in America. China and Japan are similar in the sequence of […]