+ 3 2 DOI -woo 00: Highlight the advantages and disadvantages of the direct and indirect techniques of contouring. [6 Marks] 28 spot levels taken on gridlines 100 m x 100 m spacing are shown in Figure Q3. (i) Using Answer Sheet Q3 provided, draw the 40 m, 45 m, 50 m, 55m, 60m and 65 m contour lines. (ii) Explain the characteristic formation of contour lines for the apparent topographic feature at location X. [18+1 Marks] 47.25 53.41 56.36 57.15 100 m 57.63 61.42 66.31 59.21 00% X 100 m 58.36 69.44 63.65 55.34 LO 100 m- 55.21 59.25 57.42 53.64 D -100 m Figure Q3 51.45 -w 53.84 51.34 48.53 100 m 45.26 46 82 43.57 40.52 -12 F -100 m 39.43 41.25 38.62 39.36