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  2. Nitrogen cycle - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_cycle

    The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and physical processes.

  3. File:Nitrogen Cycle 2.svg - Wikipedia

    en.wikipedia.org/wiki/File:Nitrogen_Cycle_2.svg

    This image is a derivative work of the following images: File:Nitrogen Cycle.svg licensed with Cc-by-sa-3.0 . 2009-09-27T05:47:47Z Raeky 800x600 (298078 Bytes) outlines for text

  4. File:Nitrogen Cycle.svg - Wikipedia

    en.wikipedia.org/wiki/File:Nitrogen_Cycle.svg

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  5. File:Aquarium Nitrogen Cycle.svg - Wikipedia

    en.wikipedia.org/wiki/File:Aquarium_Nitrogen...

    {{Information| |Description=Diagram of the nitrogen cycle in an aquarium. |Source=Own work, drawn in Sodipodi and Inkscape by Ilmari Karonen. |Date=2005-10-2 File usage The following 4 pages use this file:

  6. Marine biogeochemical cycles - Wikipedia

    en.wikipedia.org/wiki/Marine_biogeochemical_cycles

    Nitrogen enters the ocean through precipitation, runoff, or as N 2 from the atmosphere. Nitrogen cannot be utilized by phytoplankton as N 2 so it must undergo nitrogen fixation which is performed predominantly by cyanobacteria. [82] Without supplies of fixed nitrogen entering the marine cycle, the fixed nitrogen would be used up in about 2000 ...

  7. What NFL games are tomorrow? Full schedule, how to watch ...

    www.aol.com/nfl-games-tomorrow-full-schedule...

    Sunday's Week 12 NFL games includes several intriguing matchups that will dictate the direction the NFC West race heads as the playoffs near.

  8. Biogeochemical cycle - Wikipedia

    en.wikipedia.org/wiki/Biogeochemical_cycle

    A biogeochemical cycle, or more generally a cycle of matter, [1] is the movement and transformation of chemical elements and compounds between living organisms, the atmosphere, and the Earth's crust. Major biogeochemical cycles include the carbon cycle, the nitrogen cycle and the water cycle. In each cycle, the chemical element or molecule is ...

  9. Beyoncé Supports Michelle Williams on Opening Night of ... - AOL

    www.aol.com/beyonc-supports-michelle-williams...

    On Thursday, Nov. 21, Beyoncé attended the opening night of Broadway musical Death Becomes Her in New York City, accompanied by her mother, Tina Knowles, and Kelly Rowland.Rowland was joined by ...