The pie chart below given illustrates how human activities affected agricultural lands in an andverse way. Also, the table reveals the effections of these activities on 3 regions. Include, North America, Europe, oceania, throughout the 1990s. Overall, as can be seen, over-grazing was the most harmful activity for agrigulture. Moreover, Europe with the highest rate in total land degradation was the first region that was affected the most. In contrast, North America is the least spot in the total rate in this table. To begin, over-grazing with 35% of effection had the highest damage. Meanwhile, Oceania was damaged by over-grazing the most (11.3%). Deforestation and over-cultivation with 5% and 7% difference, came after over-grazing. Also, The agricultural lands were affected a lot in Europe by deforestration activities (9.8%). On the other hand, other reasons contain 7% of the pie chart and it was the lowest position. Furthermore, in Oceania there was not seen any cultivatinal effection, while in north America with 3.3% it was the main reason of this matter. Europe and North America with 0.2% in deforestration and 1.5% in over-grazing were contained the last positions in each activities, respectively.