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d Activity 1.2 River valleys and spurs 10 minutes ер a J 1 I G es Study the contour map in Figure 1.20. The heights are shown in metres. A-B, C-D, E-F, G-H and I-J show a mixture of valleys and spurs. Answer these questions 1. Which show valleys? 2. Which show spurs? 3. Which slope is steeper: K-L, or M-N? Give a reason for your answer. 4. What is the altitude of K? 5. What is the approximate altitude of N? (3) (2) F E ГК- C (3) (1) 400 500 300 М. 200 A N 100 B (1) [10] Figure 1.20: Contour map Spot On Social Sciences Grade 9