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select the answer: a general search engine differs from a subject directory because: A ) Directories often are annotated with descriptions. Entries are selected and
select the answer: a general search engine differs from a subject directory because: A ) Directories often are annotated with descriptions. Entries are selected and annotated by humans. B) Directories are organized in hierarchical subject categories, so that the searches can browse through lists of subjects for relevant information. C)Both answer 1and 2 are correct. D)neither answer 1 or 2 is correct.
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