Question

earth science: nitrogen cycle. 10 question quiz 4/10 4) which process in the nitrogen cycle turns ammonium into nitrates? fixation nitrification assimilation ammonification denitrification

Explanation:

Nitrification is the process in the nitrogen - cycle where ammonium is converted into nitrites and then into nitrates by nitrifying bacteria. Fixation is about converting atmospheric nitrogen to ammonia. Assimilation is the uptake of nitrogen compounds by plants and animals. Ammonification is the conversion of organic nitrogen to ammonium. Denitrification is the conversion of nitrates to nitrogen gas.

Answer:

B. Nitrification