Which of the following statements is false?

a. Growing grass was on the critical path for a large theme park project.

b. The critical path is the series of activities that determine the earliest time by which a project can be completed.

c. A forward pass through a project network diagram determines the early start and early finish dates for each activity.

d. Fast tracking is a technique for making cost and schedule trade-offs to obtain the greatest amount of schedule compression for the least incremental cost.