Which two distinct microbial processes areresponsible for the release of fixed nitrogenas dinitrogen gas $(N_2)$ to the atmosphere ?
Aerobic nitrate oxidation and nitritereduction
Decomposition of organic nitrogen andconversion of dinitrogen to ammonium compounds
Enteric fermentation in cattle and nitrogenfixation by Rhizobium in root nodules of legumes
Anaerobic ammonium oxidation and denitrification.
How much carbon is dissolved in the oceans?
Biocycle is referred as
Most stable ecosystem is
Amount of nitrogen fixed electrochemically and photochemically is
The reservoir pool for gaseous cycles of matter is