task 1
A pie chart shows the causes of worldwide land degradation and a table shows the percnetages of land degradaded in North Amercia， Europe & Oceania.
Task 2
In many countries today， the proportion of the elderly people keeps increasing steadily. Does this trend have more positive or negative effects on society？ Express your opinions.
A pie chart shows the causes of worldwide land degradation and a table shows the percnetages of land degradaded in North Amercia， Europe & Oceania.
Task 2
In many countries today， the proportion of the elderly people keeps increasing steadily. Does this trend have more positive or negative effects on society？ Express your opinions.