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Nitrogen oxidation (nitrification)refers to the | |
A. | conversion of ammonium ions into nitrates through the activities of certain bacteria. [Correct Answer] |
B. | changing of atmospheric nitrogen (N2) to nitrogen compounds [Wrong Answer] |
C. | sulfur is oxidized to the sulfate form through Thiobacillus bacteria [Wrong Answer] |
D. | none of the above [Wrong Answer] |