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What is a bipartite graph? Select one: 3 a The graph consists of two parts that are disconnected. r" x. K. x. x.) The graph consists of two parts in each of which the vertices are connected with one another. r" x. b. :_3 c. The graph consists of two parts where the vertices are connected with the vertices of the respective other part. d. Only some of the vertices are connected e. The graph has no edges Which one of the following is true? Select one: :3 a Each edge is connected to at least one vertice. \\J r \\ A graph is not a graph without edges. (. x. \\J r x \\J b. c. Edges cannot cross. d. Graphs have always an even number of edges. e. '\\ \\_J Every graph with a circle has an odd number of edges