What’s the longest river in the world? B11 Many encyclopaedias state with _________ that the River Nile in Africa is the longest river in the world. CONFIDENT Its length is often given as being 6 695 kilometres.
B12 However, there are __________ who would question that. SCIENCE
B13 Indeed, some would argue that the River Amazon in South America is in fact longer than the Nile. At first sight it seems _________ that we don’t know exactly how long the rivers are. BELIEVE
B14 The situation becomes more ___________, though, UNDERSTAND
B15 when we consider that there is not always ________ about where a river actually starts. AGREE
Also, how long a river is can change over time.
B16 So perhaps the correct _________ to the question ‘Which is the longest river in the world?’ should be: ‘It depends.’ RESPOND
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