In denitrification, specialized bacteria convert nitrogen gas in the atmosphere into ammonia.

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In denitrification, specialized bacteria convert nitrates and nitrites into nitrogen gas, which is released into the atmosphere. This process occurs in oxygen-limited environments, such as soil and waterlogged sediments. It is the opposite process of nitrogen fixation, where bacteria convert atmospheric nitrogen gas into ammonia.

In Denitrification, Specialized Bacteria Convert Nitrogen Gas in the Atmosphere