1) A letter written by a World War II soldier. a) Primary Sources b) Secondary Sources c) Tertiary Sources 2) A book analyzing the impact of World War II a) Primary Sources b) Secondary Sources c) Tertiary Sources 3) A timeline of events in a history textbook. a) Tertiary Sources b) Secondary Sources c) Primary Sources 4) A research study on plant growth. a) Primary Sources b) Secondary Sources c) Tertiary Sources 5) A newspaper article discussing the findings of the study. a) Primary Sources b) Secondary Sources c) Tertiary Sources 6) A Wikipedia entry summarizing the study. a) Primary Sources b) Secondary Sources c) Tertiary Sources

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