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  1. The history of scientific method considers changes in the methodology of scientific inquiry, as distinct from the history of science itself. The development of rules for scientific reasoning has not been straightforward; scientific method has been the subject of intense and recurring debate throughout the history of science, and eminent natural philosophers and scientists have argued for the ...

  2. Viète. de Moivre. Euler. Fourier. v. t. e. In trigonometry, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. Geometrically, these are identities involving certain functions of one or more angles.

  3. Carbon monoxide (chemical formula CO) is a poisonous, flammable gas that is colorless, odorless, tasteless, and slightly less dense than air. Carbon monoxide consists of one carbon atom and one oxygen atom connected by a triple bond. It is the simplest carbon oxide. In coordination complexes, the carbon monoxide ligand is called carbonyl. It ...

  4. en.wikipedia.org › wiki › PsoriasisPsoriasis - Wikipedia

    Psoriasis is a long-lasting, noncontagious autoimmune disease characterized by patches of abnormal skin. [4] [5] These areas are red, pink, or purple, dry, itchy, and scaly. [8] [3] Psoriasis varies in severity from small localized patches to complete body coverage. [3] Injury to the skin can trigger psoriatic skin changes at that spot, which ...

    • Adulthood
    • Red (purple on darker skin), itchy, scaly patches of skin
  5. en.wikipedia.org › wiki › HokkaidoHokkaido - Wikipedia

    Bird Tanchō (red-crowned crane, Grus japonensis) Flower Hamanasu (rugosa rose, Rosa rugosa) Mascot Kyun-chan (キュンちゃん) Tree Ezomatsu (Jezo spruce, Picea jezoensis) Hokkaido (Japanese: 北海道, Hepburn: Hokkaidō, pronounced [hokka idoː] , lit. ' Northern Sea Circuit ') is the second-largest island of Japan and comprises the largest and northernmost prefecture, making up its own ...

  6. en.wikipedia.org › wiki › CatCat - Wikipedia

    The domestic cat has a smaller skull and shorter bones than the European wildcat. [48] It averages about 46 cm (18 in) in head-to-body length and 23–25 cm (9.1–9.8 in) in height, with about 30 cm (12 in) long tails. Males are larger than females. [49] Adult domestic cats typically weigh 4–5 kg (8.8–11.0 lb).

  7. Wikipedia is a free online encyclopedia that anyone can edit, and millions already have . Wikipedia's purpose is to benefit readers by presenting information on all branches of knowledge. Hosted by the Wikimedia Foundation, it consists of freely editable content, whose articles also have numerous links to guide readers towards more information.