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  1. en.wikipedia.org › wiki › PhosphorusPhosphorus - Wikipedia

    Vor 15 Stunden · Phosphorus is an essential mineral for humans listed in the Dietary Reference Intake (DRI). Food-grade phosphoric acid (additive E338 [104]) is used to acidify foods and beverages such as various colas and jams, providing a tangy or sour taste. The phosphoric acid also serves as a preservative. [105]

    • white, red and violet are waxy, black is metallic-looking
    • white, red, violet, black and others (see Allotropes of phosphorus)
    • 5.2 (silicon = 100)
  2. Vor 15 Stunden · Rosalind Elsie Franklin (25 July 1920 – 16 April 1958) [1] was a British chemist and X-ray crystallographer whose work was central to the understanding of the molecular structures of DNA (deoxyribonucleic acid), RNA (ribonucleic acid), viruses, coal, and graphite. [2] Although her works on coal and viruses were appreciated in her lifetime ...

  3. en.wikipedia.org › wiki › TuvaluTuvalu - Wikipedia

    Vor 15 Stunden · Tuvalu has sports organisations for athletics, badminton, tennis, table tennis, volleyball, football, basketball, rugby union, weightlifting and powerlifting. At the 2013 Pacific Mini Games, Tuau Lapua Lapua won Tuvalu's first gold medal in an international competition in the weightlifting 62 kilogram male snatch.

    • +688
    • TV
  4. Vor 15 Stunden · Photovoltaics ( PV) is the conversion of light into electricity using semiconducting materials that exhibit the photovoltaic effect, a phenomenon studied in physics, photochemistry, and electrochemistry. The photovoltaic effect is commercially used for electricity generation and as photosensors . A photovoltaic system employs solar modules ...