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  2. Template : Official languages of U.S. states and territories

    en.wikipedia.org/wiki/Template:Official...

    Template. : Official languages of U.S. states and territories. since 1986 with Proposition 63. [1] Proposition 63 is unenforceable due to the lack of appropriate legislation, [4] and the Bilingual Services Act provides for the use of other languages in public outreach. [5]

  3. Casualties of the September 11 attacks - Wikipedia

    en.wikipedia.org/wiki/Casualties_of_the...

    Casualties of the September 11 attacks. The September 11th attacks were the deadliest terrorist attacks in human history, causing the deaths of 2,996 people, including 2,977 victims and 19 hijackers who committed murder–suicide. Thousands [a] more were injured, [3] [4] and long-term health effects have arisen as a consequence of the attacks.

  4. Rayon - Wikipedia

    en.wikipedia.org/wiki/Rayon

    Rayon, also called viscose [1] and commercialised in some countries as sabra silk or cactus silk, [2] is a semi-synthetic fiber, [3] made from natural sources of regenerated cellulose, such as wood and related agricultural products. [4] It has the same molecular structure as cellulose.

  5. 2,4-Dinitrophenylhydrazine - Wikipedia

    en.wikipedia.org/wiki/2,4-Dinitrophenylhydrazine

    2,4-Dinitrophenylhydrazine ( 2,4-DNPH or DNPH) is the organic compound C 6 H 3 (NO 2) 2 NHNH 2. DNPH is a red to orange solid. It is a substituted hydrazine. The solid is relatively sensitive to shock and friction. For this reason DNPH is usually handled as a wet powder. DNPH is a precursor to the drug Sivifene .

  6. Web page - Wikipedia

    en.wikipedia.org/wiki/Web_page

    A web page (or webpage) is a document on the Web that is accessed in a web browser. [1] A website typically consists of many web pages linked together under a common domain name. The term "web page" is thus a metaphor of paper pages bound together into a book.

  7. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    The number (; spelled out as " pi ") is a mathematical constant that is the ratio of a circle 's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics. It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although fractions such as are commonly used to approximate it ...

  8. United States dollar - Wikipedia

    en.wikipedia.org/wiki/United_States_dollar

    The United States dollar ( symbol: $; currency code: USD; also abbreviated US$ to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries. The Coinage Act of 1792 introduced the U.S. dollar at par with the Spanish silver dollar, divided it ...

  9. ITIL - Wikipedia

    en.wikipedia.org/wiki/ITIL

    ITIL describes processes, procedures, tasks, and checklists which are neither organization-specific nor technology-specific. It was designed to allow organizations to establish a baseline. It is used to demonstrate compliance and to measure improvements. There is no formal independent third-party compliance assessment available to demonstrate ...