Fig. 5.1 shows the drainage basin of the Nile River and its tributaries. The Renaissance Dam, shown in Fig. 5.1, on the Blue Nile River in Ethiopia has been under construction since 2011. When completed it will be the largest HEP plant in Africa and the seventh largest in the world. [Figure 5.1] (b) Table 5.1 gives information about the three main tributaries of the Nile, shown on Fig. 5.1. [Table 5.1]

1. (a)What is meant by the following terms? drainage basin HEP[2]
2. (b)(i)Using Table 5.1, explain why the Blue Nile gives a better water supply than the other two tributaries.[2]
3. (b)(ii)Using information from Table 5.1, give a reason why a dam was built on the Blue Nile.[1]
4. (c)(i)Which two countries shown on Fig. 5.1 were most worried about the building of the Renaissance Dam? 1 2[1]
5. (c)(ii)Give reasons for your answer to (c)(i).[2]

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