depletion

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• 英语翻译The historian Frederick J.Turner wrote in the 1890’s that the agrarian discontent that had been developing steadily in the United States since about 1870 had been precipitated by the closing of the internal frontier- that is ,depletion of depletion of available new land needed for further expansion of the American farming system.
• 英语翻译The increased difficulties faced by central authorities in preventing resource depletion,despite the regulations in place,has caused resource managers as well as scholars,to look more closely at both the need for fisher participation and the role of institutional arrangements（rights and rules）in fisheries management.
• Which of the following is not a reason for depletion of free hydrogen in Earth`s lower atmosphere
• Does is related to ozone depletion and what will ozone depletion cause.这句话有什么问题
• depletion
• Does is related to ozone depletion and what will ozone depletion cause.这句话有什么问题给出一个改后的句子1
• 英语翻译For continued healthy growth,an efficient schedule plans irrigation well before PWP.This is the allowable depletion(AD).Experimentation and judgment are needed to select a reasonable AD level of the soil reservoir capacity,which is based on the value of the planting,plant type,soil texture,and the season.A medium-value turf is typically managed at 50%AD,whereas a low-value turf could have an AD of 75% of the soil reservoir capacity.
• 对将来的虚拟语气Unlike global warming and ozone depletion----which,if the political will is there,could be reduced by cutting gas emissions.改错题.它正确答案是把if 后面的 is 改为 were.它的题是不是错了啊?is 前面还有一个 will 的么?
• The hotel is far from here.You can take a t___ to go there
• People can't see the building from here.改为被动语态