Define a primary source and secondary source

primary source: documents the result of original researche.

: is written by those who have conducted researche.

: includes firsthand information about their methodologies, data, results or conclusions.

Secondary source: summarizes, compares, critiques or interprets the primary source.

Explanation:

Primary source is the research articles published in scholarly, peer reviewed journal.

Secondary source is the summarises, critiques or interpretations of primary source.

c. is the answer

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