"Denitrify" Natural Recordings by Native Speakers
Denitrify means to remove or reduce the amount of nitrogen and its compounds (nitrates) from a substance, such as water or soil, or to convert them into a form that is less harmful to the environment. In other words, denitrification is the process by which microorganisms break down nitrate into a form that can be used as a nutrient by plants, reducing the amount of nitrogen in the soil or water.
Denisovan refers to a type of extinct human that lived around 40,000-50,000 years ago in Siberia and Southeast Asia. It is named after the Denisova Cave in Siberia where the first fossils were found. Denisovans are considered a distinct species from both Neanderthals and modern humans, and are thought to have interbred with both of these species, leaving behind a legacy in the DNA of present-day humans.