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.
Typical costs: 1  For those not covered by health insurance, the cost of colonoscopy varies by provider and geographic region, usually ranging from $2,010 to $3,764, with an average of $3,081, according to Blue Cross Blue Shield of North Carolina.