1.)A. True
2.)B. providing the customer a choice between a refund or a replacement
3.)A. Collaboration
4.)B. Human resources
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Answer:
Basically it creates a unique identifier for each row in your table and that can help you link your table to other tables using primary key as link
Explanation:
"Primary key allows you to create a unique identifier for each row in your table. It is important because it helps you link your table to other tables (relationships) using primary key as links."
B. Because the computer can rearrange itself when it is in a phase of conversion
Answer:
Trace topology is also referred to as tree bus topology.
Explanation:
