The problem: Answer a question about this article:
The company is often criticized by both the media and its own staff for its less upstanding policies regarding employee relations. A 2012 Reddit post written by an anonymous Comcast call center employee eager to share their negative experiences with the public received attention from publications including The Huffington Post. A 2014 investigative series published by The Verge involved interviews with 150 of Comcast's employees. It sought to examine why the company has become so widely criticized by its customers, the media and even members of its own staff. The series claimed part of the problem is internal and that Comcast's staff endures unreasonable corporate policies. According to the report: "customer service has been replaced by an obsession with sales; technicians are understaffed while tech support is poorly trained; and the company is hobbled by internal fragmentation." A widely read article penned by an anonymous call center employee working for Comcast appeared in November 2014 on Cracked. Titled "Five Nightmares You Live While Working For America's Worst Company," the article also claimed that Comcast is obsessed with sales, doesn't train its employees properly and concluded that "the system makes good customer service impossible."
What online media outlet ran an investigative series on Comcast in 2014?
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The answer: The Verge

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IBM started working on a prototype system loosely based on Codd's concepts as System R in the early 1970s. The first version was ready in 1974/5, and work then started on multi-table systems in which the data could be split so that all of the data for a record (some of which is optional) did not have to be stored in a single large "chunk". Subsequent multi-user versions were tested by customers in 1978 and 1979, by which time a standardized query language SQL[citation needed] had been added. Codd's ideas were establishing themselves as both workable and superior to CODASYL, pushing IBM to develop a true production version of System R, known as SQL/DS, and, later, Database 2 (DB2).
When was IBM's system released?
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The answer: 1974/5

The problem: Answer a question about this article:
Modern chemistry emerged from the sixteenth through the eighteenth centuries through the material practices and theories promoted by alchemy, medicine, manufacturing and mining. A decisive moment came when 'chymistry' was distinguished from alchemy by Robert Boyle in his work The Sceptical Chymist, in 1661; although the alchemical tradition continued for some time after his work. Other important steps included the gravimetric experimental practices of medical chemists like William Cullen, Joseph Black, Torbern Bergman and Pierre Macquer and through the work of Antoine Lavoisier (Father of Modern Chemistry) on oxygen and the law of conservation of mass, which refuted phlogiston theory. The theory that all matter is made of atoms, which are the smallest constituents of matter that cannot be broken down without losing the basic chemical and physical properties of that matter, was provided by John Dalton in 1803, although the question took a hundred years to settle as proven. Dalton also formulated the law of mass relationships. In 1869, Dmitri Mendeleev composed his periodic table of elements on the basis of Dalton's discoveries.
What was Antoine Lavoisier's nickname?
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The answer: Father of Modern Chemistry

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For African Americans, the one-drop rule was a significant factor in ethnic solidarity. African Americans generally shared a common cause in society regardless of their multiracial admixture, or social/economic stratification. Additionally, African Americans found it, near, impossible to learn about their Indigenous American heritage as many family elders withheld pertinent genealogical information. Tracing the genealogy of African Americans can be a very difficult process, especially for descendants of Indigenous Americans, because African Americans who were slaves were forbidden to learn to read and write, and a majority of Indigenous Americans neither spoke English, nor read or wrote it.
What factors did not affect racial solidarity amoung African Americans?
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The answer:
their multiracial admixture, or social/economic stratification