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The purpose of a dummy activity in an activity-on-arrow diagram is to?

A. Show a task that is not necessarily needed.

B. Identify a task that could be replaced by another.

C. Show a dependency relationship.

D. Take the slack time into account.

E. Denote a milestone.

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Question added by Muhammad Farooq , QA-QC MANAGER , AL Bawani contracting co.
Date Posted: 2017/12/07
Muhammad Farooq
by Muhammad Farooq , QA-QC MANAGER , AL Bawani contracting co.

C. Show a dependency relationship.

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