$12)$ The term ordered activity means:A$)$ tasks must either precede or follow other tasks in project planning and management.B$)$ tasks cannot be performed unless the project manager issues a specific command to perform the work.C$)$ prior project planning removes the need for any rush so that tasks can be performed in a methodical fashion.D$)$ tasks are not performed unless the customer issues a specific request to perform the work.Answer: $13)$ A sequence of activities defined by the project network logic is a$($n$)$:A$)$ event.B$)$ path.C$)$ node.D$)$ route.Answer: $14)$ One of the defining points of a network, a junction point joined to some or all of the others by dependency lines, is called a$($n$)$:A$)$ event.B$)$ path.C$)$ node.D$)$ burst.Answer: $15)$ These can be located by doing a backward pass through a network.A$)$ critical pathsB$)$ merge activitiesC$)$ successorsD$)$ burst activitiesAnswer: