Answer: An undirected graph is the graph that has the connection of the objects in the form of bidirectional edges.This graph is formed for by the attachment of the collection of the objects which get displayed in the form of network and thus, also known as the undirected graph.
The graph is formed by the nodes or objects getting connected and form edges or link(which is typically in the form of line).
Click on the Notification icon at the bottom right of the screen -> Choose 'Expand' -> Then you will see the sun icon, click on that to choose the brightness. Thank you
