Proquest research library, academic search, and lexis nexis academic are examples of sources that are considered: a. reference works. b. online databases. c. the world wide web. d. government documents.

The correct answer is option B. "Online databases".

Explanation:

Among the different sources that could be used to cite references in an article, online databases are of great use for their power to find references quickly in an computer device. ProQuest Research Library offers the search of different scholarly journals online, Academic Search of EBSCO is useful to find academic articles of different areas online, and Lexis Nexis Academic is part of the products offered by a company to find legal and business scientific articles. Therefore, these three tools are examples of online databases that help in the finding of literature for research.

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from the count of monte cristo there are two synonyms of the word “grotto”. these words are chamber and cavern.