Øthe effects of food shortages in encouraging food aid and measures to increase outputDescribe and explain the main features of an agricultural system: inputs, processes and outputsØRecognise the causes and effects of food shortages and describe possible solutions to this problemØExplain the Farming types: commercial and subsistence; arable, pastoral and mixed; intensive and extensive ØExplain the influence of natural and human inputs on agricultural land use (including natural inputs [relief, c