Adjusting Leads and Lags is a technique for:

A.
Develop Schedule

B.
Estimate Activity Durations

C.
Estimate Activity Resources

D.
Sequence Activities

Explanation:
Adjusting Leads and Lags: Since the improper use of leads or lags can distort the project schedule, the leads or lags are adjusted during schedule network analysis to develop a viable project schedule. Tools and Techniques for Develop Schedule are : Mathematical analysis,Duration compression,Simulation,Resource -leveling ,Project management software,Adjusting Leads and Lags and Coding structure.