Option 4, "Our Pasts (I) – NCERT textbook in history for class 6," is the correct answer as an example of a secondary source. Here's why: 1. Explanation for Option 4: - Secondary sources are materials that interpret, analyze, or summarize information from primary sources. They are typically created by someone who did not experience the events first-hand but rather provides an interpretation or analysis of primary source materials. -…Read More