Environment·Pollution The table shows the amount of total waste produced in million tonnes in six different countries in three years. Viết bài này
Pollution·Environment The chart below shows the average daily minimum and maximum levels of two air pollutants in four big cities in 2000. Viết bài này
Environment·Pollution The bar chart shows different methods of waste disposal in four cities: Toronto, Madrid, Kuala Lumpur and Amman. Waste disposal in four cities. Viết bài này