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  2. Isotope analysis - Wikipedia

    en.wikipedia.org/wiki/Isotope_analysis

    Archaeological materials, such as bone, organic residues, hair, or sea shells, can serve as substrates for isotopic analysis. Carbon, nitrogen and zinc isotope ratios are used to investigate the diets of past people; these isotopic systems can be used with others, such as strontium or oxygen, to answer questions about population movements and cultural interactions, such as trade.

  3. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [ 4 ] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users.

  4. Glossary of history - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_history

    Also pre-literary history. The period of human history between the use of the first stone tools by hominin apes (c. 3.3 million years ago) and the invention of the earliest forms of writing (c. 5,000 years ago), the latter of which marks the beginning of conventional history. The distinction between prehistory and history – i.e. between those ...

  5. Primary source - Wikipedia

    en.wikipedia.org/wiki/Primary_source

    This wall painting found in the Roman city of Pompeii is an example of a primary source about people in Pompeii in Roman times (portrait of Terentius Neo).. In the study of history as an academic discipline, a primary source (also called an original source) is an artifact, document, diary, manuscript, autobiography, recording, or any other source of information that was created at the time ...

  6. Document-based question - Wikipedia

    en.wikipedia.org/wiki/Document-based_question

    The documents contained in the document-based questions are rarely familiar texts (for example, the Emancipation Proclamation and Declaration of Independence are not likely to be on a U.S. history test), though the documents' authors may be major historical figures. The documents vary in length and format.

  7. Global sourcing - Wikipedia

    en.wikipedia.org/wiki/Global_sourcing

    Global sourcing initiatives and programs form an integral part of the strategic sourcing plans and procurement strategies of many multinational companies. Global sourcing is often associated with a centralized procurement strategy for a multinational, wherein a central buying organization seeks economies of scale through corporate-wide ...

  8. Wikipedia:Reliable sources - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Reliable_sources

    Don't "teach the controversy" (phrase doesn't mean what you think it does) Frequently misinterpreted sourcing policy; Identifying reliable sources (history) Identifying reliable sources (law) Identifying reliable sources (science) Identifying and using tertiary sources; Identifying and using style guides; NPOV means neutral editing, not neutral ...

  9. Domestic sourcing - Wikipedia

    en.wikipedia.org/wiki/Domestic_sourcing

    Domestic sourcing is the activity of contracting for goods or services that are delivered or manufactured within the buyer's home country's borders. Advantages of domestic sourcing [ edit ]