Study Fig. 5, which illustrates the karez system of irrigation. Choose three terms from the list below and place them in three of the spaces provided on the diagram. maintenance shaft, aquifer, canal, tunnel, water table
Give an example of a barrage in Pakistan and name the river it is on. Barrage River
State the reasons barrages are needed in Pakistan.
Describe two ways in which the atmosphere in Pakistan can be polluted.
Explain how the use of chemical fertilisers on farms harms the natural environment. You should develop your answer.
Study Fig. 6, which presents water use by sector in Pakistan in 2008. A Which sector used the least water? B How much water was used by the irrigation/livestock sector?
Name one type of industry that uses large amounts of water.
About 60% of irrigation water is lost before it reaches crops. Give three reasons for this loss.
Read the two views below about water shortages in Pakistan: View A says: "The most effective way to reduce water shortages in Pakistan is to build more dams and other infrastructure projects. These will store water or increase supply." View B says: "The most effective way to reduce water shortages in Pakistan is to educate people about different methods of saving water. These methods should be carried out in agriculture, industry, and in homes." Which view do you agree with more? Give reasons to support your answer and refer to examples you have studied. Your answer should consider both View A and View B.