QUESTIONS Resource leveling uses a trial-and-error method to test delaying a. all critical activities b. all activities with a positive slack c. only non-critical activities with positive slack dall non-critical activities QUESTIONS In when several activities need the same limited resource at the same time, the activities with the least slack have first priority a resource leveling Ob resource evaluation scheduling Oc resource monitoring d. resource limited scheduling QUESTION 10 1 The statement, "Network diagrams illustrate the technical constraints among activities," means the activities are constrained because a.cach of the activities are independent from the other activities b. some activities use the same resources that may not be available c. the activities use different resources to be completed d. one activity cannot be started until the predecessors are finished