(10%) Answer "True" or "False" for the following statements. (a) The path from vertex A to vertex B on a minimal cost spanning tree of an undireeted graph G is a shortest path from A to B (b) If an AOV network represents a feasible project, i means that there is a unique topological order for the network. (c) A stack is required for the breadth first search operation. (d) Let d, be the degree of vertex i in a graph G with n and IE e, thend (e) No edge can be in two or more biconnected components of a graph. n-l