Contact lists contain more information about a person than an address book. A contact list is a collection of screen names in an instant messaging or e-mail program or online game or mobile phone. a address book is a book for recording the names, addresses, and telephone numbers of friends, businesses.
        
             
        
        
        
Answer:
Explanation:
Someone you have worked with previously (a coworker). They would be able to speak for how well you work with other people, how you contribute to the environment etc. 
Boss from previous job. They can testify to the quality, quantity, regularity and consistency of work + how responsible and dependant you are. 
Someone you do volunteer work with or anything extra-curricular related to job. Shows passion and character outside of a professional environment. 
A teacher (if its your first job), who can show how well you learn new skills and how willing you are to be critiqued and improve. 
 
        
             
        
        
        
Answer:
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Explanation:
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Answer:
oD. being skilled at negotiating and bargaining with people