Dewey Decimal System is the library classification system which helps to categorize the books in a correct order - with appropriate location under appropriate subject. The system was introduced by an American librarian and Melvil Dewey and it later used by most of the public libraries in the United States. The correct answer is B.
Answer:
D is correct.
Explanation:
Use commas when writing a list.
Buoyancy describes the tendency of an object to sink or float. It is the uphill push on a fluid.
C) she ignores them when they talk to her
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