Key players in the marine nitrogen cycle can utilize cyanate and urea. ScienceDaily . Retrieved May 15, 2025 from www.sciencedaily.com / releases / 2018 / 12 / 181210122903.htm ...

These human activities convert nitrogen from inactive to reactive forms. “Before the Haber-Bosch process and fossil fuel combustion, specialized microbes in the soil could fix nitrogen into forms ...