Nitrogen fixation is the process by which atmospheric nitrogen is converted either by a natural or an industrial means to a form of nitrogen such as ammonia. In nature, most nitrogen is harvested from the atmosphere by microorganisms (see above) to form ammonia, nitrites, and nitrates that can be used by plants.
A Colonoscopy costs $770 in Columbus when you take the median price of the 40 medical providers who perform Colonoscopy procedures in the Columbus, OH area.
For patients not covered by health insurance, upper gastrointestinal endoscopy typically costs between about $1,500-$10,000 or more, depending on the provider, geographic location, whether sedation is used or not and whether the procedure is done in an imaging center or in a hospital.