is it nitrogen fixation, dcomposition, excretion, or denitrification?
What is the prosess by which bacteria convert nitrogen gas in the air to ammonia?
Fixation
Reply:nitrogen fixation / nitrifying
Reply:My first answer was ammonification.
But, I think it's excretion.
Cannot be nitrogen fixation because that's conversion of atmospheric nitrogen to nitrates (or ammonium compounds, ammonium is not ammonia) in the soil.
Cannot be decomposition because that's well.. decomposing. Converting nitrogen compounds in dead organisms to ammonia (?)
Cannot be denitrification because that's conversion of nitrates in the soil to atmospheric nitrogen.
Reply:Nitrogen fixation by bacteria who can utilize N2 gas and with the nitrogenase enzyme and a proton can convert the gas to ammonia
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