•Atmosphere
-Lots of N2
-Lightning oxidizes N2
•N-fixating bacteria
-Bacteria fix N2
-Legumes concentrate bacteria
There are many natural sources of nitrogen, two of which are mineralization of organic matter and animal waste.
Then Nitrogen you inhale has no use. But nitrogen, from other sources, such as food, helps sperm production.
Bacteria in the soil obtain nitrogen from various sources, such as organic matter, atmospheric nitrogen (N2), and nitrogen-fixing plants. Some bacteria can convert atmospheric nitrogen into a form that plants can use, while others break down organic matter to access nitrogen.
Nitrogen oxide can come from both natural sources (such as lightning, wildfires, and volcanic eruptions) and human activities (such as vehicle emissions, industrial processes, and agricultural practices). The primary sources of nitrogen oxide in urban areas are transportation and stationary combustion sources like power plants and industrial facilities.
The combustion of fossil fuels, such as coal, oil, and natural gas, is associated with nitrogen emissions. When these fuels are burned at high temperatures, nitrogen oxides (NOx) are released into the atmosphere, contributing to air pollution and smog formation.
Two common sources of nitrogen fertilizer are urea, which is a synthetic organic compound, and ammonium nitrate, which is a chemical compound made of ammonia and nitric acid.
That answer would be carbon Sources: Biology teacher.
Natural sources of nitrogen in soil include organic matter, leguminous plants, and nitrogen-fixing bacteria. Potassium can be sourced from minerals like feldspar, mica, and biotite, as well as from decomposing plants and animals. Phosphorus is naturally present in soil through weathering of rocks, organic matter, and microbial activity.
Ammonium, Nitrite and Nitrate
Fertilizer application.
Nitrogen is a gaseous element, that is, what is in nitrogen is nitrogen.
Organisms rely on various sources to obtain the nitrogen they need, primarily through the nitrogen cycle. Plants absorb nitrogen from the soil in the form of nitrates and ammonium, which are produced by the decomposition of organic matter and the activity of nitrogen-fixing bacteria. Animals, in turn, acquire nitrogen by consuming plants or other animals. Additionally, some bacteria can convert atmospheric nitrogen into forms usable by living organisms through a process called nitrogen fixation.