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  2. Lists of problems - Wikipedia

    en.wikipedia.org/wiki/Lists_of_problems

    The following articles contain lists of problems: List of philosophical problems; List of undecidable problems; Lists of unsolved problems; List of NP-complete problems; List of PSPACE-complete problems

  3. List of international databases on individual student ...

    en.wikipedia.org/wiki/List_of_international...

    Literacy, numeracy, problem solving in technology-rich environments, and reading: 24 participating countries [8] One collection between 2011 and 2012 Cross-sectional: Free Data to be released between December 2013 and April 2014 [9] PIRLS: Reading: more than 50 countries [10] 2001, 2006 Cross-sectional: Free NCES [11] PISA

  4. List of global issues - Wikipedia

    en.wikipedia.org/wiki/List_of_global_issues

    This list of global issues presents problems or phenomena affecting people around the world, including but not limited to widespread social issues, economic issues, and environmental issues. Organizations that maintain or have published an official list of global issues include the United Nations, and the World Economic Forum.

  5. Social issue - Wikipedia

    en.wikipedia.org/wiki/Social_issue

    Personal issues are those that individuals deal with themselves and within a small range of their peers and relationships. [2] Personal issues can be any life-altering event. On the other hand, social issues involve values cherished by widespread society. [2] For example, a high unemployment rate that affects millions of people is a social issue.

  6. Category:Lists of problems - Wikipedia

    en.wikipedia.org/wiki/Category:Lists_of_problems

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  7. List of philosophical problems - Wikipedia

    en.wikipedia.org/wiki/List_of_philosophical_problems

    [40]: 617 It is a theoretical solution to the question of personal identity, being contrasted with "Empty individualism", the view that personal identities correspond to a fixed pattern that instantaneously disappears with the passage of time, and "Closed individualism", the common view that personal identities are particular to subjects and ...

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  9. List of environmental issues - Wikipedia

    en.wikipedia.org/wiki/List_of_environmental_issues

    This is an alphabetical list of environmental issues, harmful aspects of human activity on the biophysical environment. They are loosely divided into causes, effects and mitigation, noting that effects are interconnected and can cause new effects.