The right answer is has commercial uses
Five major groups of economically important ferries were found:
*Microbial cell or biomass as a product,
*Microbial Enzymes:
*Microbial metabolites:
*Combined products:
*Vital Transitions:
One of the requirements of the fermentation process is to provide a growth medium, since any microbe requires water supply, oxygen, an energy source, a source of carbon, a source of nitrogen, and micronutrients for growth.