Use the undirected graph in the following adjacency list to answer this question. a b, c, h ba, c, d c a, b, d, e d b, c, f e c, g fd,g ge,f,h ha, g (a) [4 marks] Draw the diagrammatic representation for the graph in the adjacency list above. (b) [4 marks] Draw the breadth first tree starting from vertex f for the graph given in this question.