Answer:
The answer is open source
Explanation:
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# look it up on google
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Answer: "hierarchy" .
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Answer:C. To eliminate possible data redundancy.
Explanation:Data redundancy is a term used in data management system or process to mean the storage of the same data in different locations, this type of situation need to prevented for effective and efficient data management system or process.The main reason for creating a new entity is to eliminate the possibility of data redundancy which not desireous and not required.
