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  2. Human impact on the nitrogen cycle - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_the...

    Approximately 78% of Earth's atmosphere is N gas (N 2), which is an inert compound and biologically unavailable to most organisms.In order to be utilized in most biological processes, N 2 must be converted to reactive nitrogen (Nr), which includes inorganic reduced forms (NH 3 and NH 4 +), inorganic oxidized forms (NO, NO 2, HNO 3, N 2 O, and NO 3 −), and organic compounds (urea, amines, and ...

  3. What is nitrogen hypoxia? Alabama’s untested execution method ...

    www.aol.com/alabama-execution-method-could...

    Dr Zivot cites studies that have shown the use of nitrogen gas to deprive healthy humans of oxygen and that after 15 or 20 seconds, around 80 per cent of participants had seizures.

  4. Nitrogen hypoxia to execute a human: 'Bloodless, but it won't ...

    www.aol.com/news/nitrogen-hypoxia-execute-human...

    Because no person has ever been executed by inhaling pure nitrogen, how the state will carry out a nitrogen hypoxia execution remains unclear. Nitrogen hypoxia to execute a human: 'Bloodless, but ...

  5. Nitrogen cycle - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_cycle

    The nitrogen cycle is an important process in the ocean as well. While the overall cycle is similar, there are different players [40] and modes of transfer for nitrogen in the ocean. Nitrogen enters the water through the precipitation, runoff, or as N 2 from the atmosphere. Nitrogen cannot be utilized by phytoplankton as N

  6. This Man Survived One Execution. Now, Alabama Will Try to ...

    www.aol.com/lifestyle/man-survived-one-execution...

    Now, Alabama Will Try to Kill Him Again—With Nitrogen Gas. Tim Newcomb. January 19, 2024 at 8:00 AM. ... Part of the U.N. Human Rights Council’s special procedures program, the group—Morris ...

  7. Nitrogen - Wikipedia

    en.wikipedia.org/wiki/Nitrogen

    Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System.

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