Read the following passage. Then decide whether each of the items that follows cites the passage acceptably in APA style or whether the citation may be considered plagiarism if included in another writer’s work. If the citation is acceptable, choose “OK.” If the citation is plagiarized, choose “Unacceptable.”

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ORIGINAL SOURCE

Cro-Magnon garbage heaps yield not only stone tools but also tools of bone, whose suitability for shaping (for instance, into fishhooks) had apparently gone unrecognized by previous humans. Tools were produced in diverse and distinctive shapes so modern that their functions as needles, awls, engraving tools, and so on are obvious to us. Instead of only single-piece tools such as hand-held scrapers, multipiece tools made their appearance. Recognizable multipiece weapons at Cro-Magnon sites include harpoons, spear-throwers, and eventually bows and arrows, the precursors of rifles and other multipiece modern weapons. Those efficient means of killing at a safe distance permitted the hunting of such dangerous prey as rhinos and elephants, while the invention of rope for nets, lines, and snares allowed the addition of fish and birds to our diet. Remains of houses and sewn clothing testify to a greatly improved ability to survive in cold climates, and remains of jewelry and carefully buried skeletons indicate revolutionary aesthetic and spiritual developments.

From page 39 of Guns, Germs, and Steel by J. Diamond (New York, NY: W. W. Norton, 1999).

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