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  2. List of unsolved problems in biology - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Developmental psychobiology posed this question since the lack of knowledge about the precise coordination of all cells, even those not related anatomically, in space and time during the embryonic period does not allow us to understand what forces at the cellular level coordinate four very general classes of tissue deformation, namely: tissue ...

  3. Board examination - Wikipedia

    en.wikipedia.org/wiki/Board_examination

    The question papers are distributed by the overseeing board of education, and their contents are guarded closely until the exam begins. The examinations may include multiple sets of question papers as well. The candidates are issued identification passes in advance, which are presented to the staff at the examination site.

  4. Wikipedia - Wikipedia

    en.wikipedia.org/wiki/Wikipedia

    Several languages of Wikipedia also maintain a reference desk, where volunteers answer questions from the general public. According to a study by Pnina Shachaf in the Journal of Documentation, the quality of the Wikipedia reference desk is comparable to a standard library reference desk, with an accuracy of 55 percent. [250]

  5. Eutrophication - Wikipedia

    en.wikipedia.org/wiki/Eutrophication

    Eutrophication is a general term describing a process in which nutrients accumulate in a body of water, resulting in an increased growth of organisms that may deplete the oxygen in the water.

  6. Biostatistics - Wikipedia

    en.wikipedia.org/wiki/Biostatistics

    The research question will define the objective of a study. The research will be headed by the question, so it needs to be concise, at the same time it is focused on interesting and novel topics that may improve science and knowledge and that field. To define the way to ask the scientific question, an exhaustive literature review might be ...

  7. Drug policy of China - Wikipedia

    en.wikipedia.org/wiki/Drug_policy_of_China

    Some local schools have incorporated anti-drug education into the legal education system, arranging corresponding class hours each semester, combining knowledge of chemistry, biology and other subjects, and using modern information methods to teach, so that students can master the knowledge of the dangers of drugs. [8]

  8. Roe v. Wade - Wikipedia

    en.wikipedia.org/wiki/Roe_v._Wade

    Roe v. Wade, 410 U.S. 113 (1973), [1] was a landmark decision of the U.S. Supreme Court in which the Court ruled that the Constitution of the United States protected the right to have an abortion prior to the point of fetal viability.

  9. A-level (United Kingdom) - Wikipedia

    en.wikipedia.org/wiki/A-level_(United_Kingdom)

    The O grade was equivalent to a GCE Ordinary Level pass which indicated a performance equivalent to the lowest pass grade at Ordinary Level.. Over time, the validity of this system was questioned because, rather than reflecting a standard, norm referencing simply maintained a specific proportion of candidates at each grade, which in small cohorts was subject to statistical fluctuations in ...