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  2. History of science and technology in Africa - Wikipedia

    en.wikipedia.org/wiki/History_of_science_and...

    In many tropical regions, farmers practice a semi-sedentary form of agriculture, using fields for two or three years and then abandoning them for a decade or more (up to 25 years after two years of cultivation in the case of savanna woodlands in Africa), until the humus content has been restored by natural processes. [123] [124] [125]

  3. 4,4'-Methylenebis (2-chloroaniline) - Wikipedia

    en.wikipedia.org/wiki/4,4'-Methylenebis(2...

    4,4′-Methylenebis(2-chloroaniline) (also known as MOCA, MBOCA, and bisamine) is a substance used as a curing agent in polyurethane production. [3] MOCA is an aromatic amine which is structurally similar to benzidine , a known human bladder carcinogen.

  4. Middle Stone Age - Wikipedia

    en.wikipedia.org/wiki/Middle_Stone_Age

    The Awash Valley. The term "Middle Stone Age" (MSA) was proposed to the African Archaeological Congress by Goodwin and Van Riet Lowe in 1929. The use of these terms was officially abandoned in 1965, [8] although the term remains in use in the context of sub-Saharan Africa, beginning with a transitional late Acheulean period known as the Fauresmith industry.

  5. Medieval and early modern Africa - Wikipedia

    en.wikipedia.org/wiki/Medieval_and_early_modern...

    The name of the dynasty comes from the Cushitic speaking Agaw of northern Ethiopia. From 1270 AD and on for many centuries, the Solomonic dynasty ruled the Ethiopian Empire. [43] King Fasilides's Castle. In the early 15th century Ethiopia sought to make diplomatic contact with European kingdoms for the first time since Aksumite times.

  6. River valley civilization - Wikipedia

    en.wikipedia.org/wiki/River_valley_civilization

    Located along the Tigris and Euphrates rivers in West Asia, the name later given to that civilization, Mesopotamia, means "between rivers". The Nile valley in Egypt had been home to agricultural settlements as early as 5500 BCE, but the growth of Ancient Egypt as a civilization began around 3100 BCE. [4]

  7. Who is Moca FC? What to know of Nashville SC's first ... - AOL

    www.aol.com/moca-fc-know-nashville-scs-124107807...

    Moca's usual home stadium is the Estadio Complejo Deportivo Moca 86, which opened in 1985 and has a capacity of 4,000. However, Moca plays its bigger matches at the Estadio Cibao FC in Santiago de ...

  8. Review: Two rewarding MOCA permanent collection exhibits map ...

    www.aol.com/news/review-two-rewarding-moca...

    MOCA's permanent collection exhibitions show how, when the museum was founded in the late 1970s, it represented something wholly new: the beginning of L.A. art's full-scale institutionalization.

  9. Oba River - Wikipedia

    en.wikipedia.org/wiki/Oba_River

    The Ọba River is named for the goddess Ọba, one of the wives of Shango, the Yoruba god of thunder. His other wives were Ọshun and Ọya. [1] According to legend, Ọshun tricked Ọba into cutting off her ear and adding it to Shango's food, saying it would please him.