Answer:
*library:
Scholarly journal articles.
Popular magazine articles.
Newspaper articles.
Reference book articles.
Books.
*search engine:
Pupular weB stites.
Commercial web sites.
Educational web sites.
Government web sites.
Statistics.
Organizational web sites.
Current news&Information
*Their Similarities:
Helping people who wants to find answers in a specific subject/object
Explanation:
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