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What is the difference between primary sources and second sources?a: Primary sources relate to publicly available data, like historical documents (e.g., a transcript of oral history, interview data), raw data from an experiment, or demographic records. b: Second sources relate to publicly available data, like historical documents (e.g., a transcript of oral history, interview data), raw data from an experiment, or demographic records. c: Secondary sources have been produced for public consumption in the form of a journal article or a chapter in an edited book. d:Primary sources have been produced for public consumption in the form of a journal article or a chapter in an edited book.