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  2. Phosphorus cycle - Wikipedia

    en.wikipedia.org/wiki/Phosphorus_cycle

    The phosphorus cycle is the biogeochemical cycle that involves the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.Unlike many other biogeochemical cycles, the atmosphere does not play a significant role in the movement of phosphorus, because phosphorus and phosphorus-based materials do not enter the gaseous phase readily, [1] as the main source of gaseous phosphorus ...

  3. Biological roles of the elements - Wikipedia

    en.wikipedia.org/wiki/Biological_roles_of_the...

    phosphorus: 15: 5: Ubiquitous, essential for all forms of life; all nucleic acids contain substantial amounts of phosphorus; it is also essential to adenosine triphosphate (ATP), the basis for all cellular energy transfer; and it performs many other essential roles in different organisms. [11] Toxic in some forms; pure phosphorus is poisonous ...

  4. Phosphoric acids and phosphates - Wikipedia

    en.wikipedia.org/wiki/Phosphoric_acids_and...

    The general formula of a phosphoric acid is H n−2x+2 P n O 3n−x+1, where n is the number of phosphorus atoms and x is the number of fundamental cycles in the molecule's structure; that is, the minimum number of bonds that would have to be broken to eliminate all cycles.

  5. Chula Vista High School - Wikipedia

    en.wikipedia.org/wiki/Chula_Vista_High_School

    Chula Vista first opened in the summer of 1947, operating out of a temporary campus in Brown Field Municipal Airport with an estimated student enrollment of 650. [2] By 1949, the student body had grown to just over 900 students between grades 10, 11, and 12; a new school at the intersection of Fourth Avenue and K Street was under construction ...

  6. Nutrient cycle - Wikipedia

    en.wikipedia.org/wiki/Nutrient_cycle

    There is much overlap between the terms for the biogeochemical cycle and nutrient cycle. Most textbooks integrate the two and seem to treat them as synonymous terms. [5] However, the terms often appear independently. The nutrient cycle is more often used in direct reference to the idea of an intra-system cycle, where an ecosystem functions as a ...

  7. Man documents inflated grocery prices in Alaskan hometown ...

    www.aol.com/man-documents-inflated-grocery...

    In the most recent video, Magdanz described his visit to the newest grocery store in Kotzebue, recording some food and drink prices there.. Butter was on sale for $8.14 per pound, a quart of ...

  8. Her daughter's suicide shocked the community. Now, she's ...

    www.aol.com/her-daughters-suicide-shocked...

    She had upcoming plans to have a sleepover with friends and participate at an arts fundraiser for her high school. So, when the Washington, D.C. math teacher heard her daughter's alarm clock ...

  9. College Sports Subsidy Scorecards

    projects.huffingtonpost.com/ncaa/subsidy-scorecards

    If you attend a Division I university, chances are you are bankrolling your school’s athletics department. Search our scorecards to find out by how much.