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The pie charts below show the main reasons why agricultural lanf becomes less productive. The table shows how these causes affected three regions of the world during the 1990s.

Overall, it can be clearly seen that the biggest cause  of worldwide degradation is over-grazing, which accounts for 35% out of total. The second highest is deforestation with proportion of 30%, after that we have over-cultivation accounts for 28% to be the second lowest and lastly are other causes which have the proportion of only 7% as well as the lowest ratio.

With a look at the table which shows causes of land degradation by three regions: North America, Europe, Oceania (a large group of islands in the South Pacific including Australia and New Zealand). The region had the highest rate of land degradation was Europe for 23%, Oceania's land was degraded by 13% which is after Europe, finally the region with the lowest percentage of degraded land was North America (5%). The main cause of land degradation in North America was over-cultivation (3.3%), then over-grazing (1.5%) and deforestation (0.2%). In contrast, deforestation caused the highest rate of land degradation in Europe (9.8%), followed after by over-cultivation (7.7%) and 5.5% for over-grazing. In Oceania, over-cultivation did no harm to the land for the percentage of 0%. However, deforestation degraded 1.7% of the land and 11.3% was degraded by over-grazing.

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Bạn Jake không có hình là khó nhận xét nhé. Bạn có thể gõ tên đề bài lại để mọi người theo đó mà tìm hình minh họa.
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Bạn post đính kèm theo tấm hình về task này đi, cho các bạn khác có thể theo dõi cách viết của bạn như thế nào.
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bài này thiếu ảnh nhưng mình đã up lại bằng nick khác rồi nhé, cám ơn mọi người nhiều lắm. :))))))))))))))))))))))))))))))))))))))))))))))
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