N 1.1.1 Name the drainage patterns labelled A and B. 1.1.2 Name the underlying rock structure that gives rise to drainage patterns A and B. 1.1.3 State ONE of the following: (a) Similarity between drainage patterns A and B (2x 1) (2) (2x1) (2) (1x2) (2) (b) Difference between drainage patterns A and B (1x2) (2) 1.1.4 Why are the tributaries in drainage pattern A short in comparison to the length of the main river? (1 x 2) (2) 1.1.5 Account for the main streams in drainage pattern B having 90° bends. (2x2) (4)​