Write 250-300 words response to the following 3 discussions with sources.1. What are the major challenges facing organizations today?  Using the information presented in Chapter 1, how can a working knowledge of Organizational Behavior help a manager or leader to meet these challenges?  Why is it important to study organizational behavior at the individual, teams or groups, and organizational levels?2.  Chapter 4 deals with emotions, attitudes, and stress.  Why should organizations be concerned with occupational stress?  What can organizations do to reduce workplace stress, and what can they do to help employees cope with it?  What effect does stress have on performance?  Is there such a thing as too little stress?3.  Imagine that you are the leader of a newly formed virtual work team.  The team includes six people all from different geographical regions across the globe.  What communication methods will you employ?  What challenges will you face (esp. regarding communication) and how will you handle these?  Be specific in your response and use concepts from Chapter 7 in your answer.