Answer :
Final answer:
Project managers use tools to manage project resources effectively and maintain project charters as living documents by reviewing and updating them regularly.
Explanation:
Project managers use tools to manage project resources, which typically include the project's budget, people, and materials. To ensure that a project charter remains a living document, it is important to review and update it regularly, communicate any changes to team members, and integrate it into project planning and decision-making processes.
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