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.
An Upper Endoscopy can be scheduled at a subsidized rate at the same time as a colonoscopy. The cost of an Upper GI Endoscopy is $975-$1175 if scheduled alone or $820 if scheduled with a Colonoscopy. Just select the procedure in your scheduling forms.