The pie chart and the table inform about reasons of declining productivity of out planet’s farming lands and statistics concerning some causes in a group of regions respectively in relative years.
As pie chart illustrates, the main problems of land degradation were related to over-grazing of livestock and deforestation (65%). Furthermore, over-cultivation had third place (28%) among the reasons and other causes only had a minimum role (7%).
The table shows that over-cultivation in North America (3.3%), deforestation in Europe (9.8%), and over-grazing in Oceania were the main reasons of land degradation. Also, over-grazing and deforestation totally had less effect than over-cultivation in North America. However, in Europe over-cultivation and over-grazing totally (13.2%) had more effect than deforestation. Furthermore, over-cultivation and deforestation didn’t have significant role on land degradation in oceania. All in all, Europe, Oceania and North America had first to third places respectively in terms of total land degradation. By comparing three regions, deforestation and over-cultivation in Europe grasped the first place and over grazing in Oceania had the first rank among regions.
- the bar charts below show the levels of participation in education and science in developing coutries and industrialised countries in 1980 and 1990 67
- The three pie charts below show the changes in annual spending by a particular UK school in 1981 1991 and 2001 73
- Some people believe that nowadays we have too many choices.To what extent do you agree or disagree to this statement? 87
- Countries are becoming more and more similar because people are able to buy the same products anywhere in the world Do you think this is a positive or negative development Discuss both sides 78
- The charts below show the proportions of British students at one university in England who were able to speak other languages in addition to English in 2000 and 2010 Summarise the information by selecting and reporting the main features and make compariso 78