Answer: C. Ammonification occurs when Bacteria break down plants
Step-by-step explanation:
The Nitrogen cycle is a biogeochemical cycle by which Nitrogen moves around the various ecosystems present on Earth in different chemical forms. Various processes enable this and one of those is Ammonification.
Ammonification is a process in which microorganisms like bacteria and fungi breakdown plant and animal biomass upon death and convert nitrogen in these organic specimen into inorganic ammonia or ammonium which is then converted to Nitrates by the Nitrification process.