The anammox reaction consists of __________ and, as a consequence, __________.
A) reduction of sulfate by ammonia; sulfur and nitrogen are incorporated into amino acids B) reduction of ammonium to form nitrite; plants can absorb nitrite C) anaerobic ammonium oxidation by nitrite; large amounts of N2 are released into the atmosphere D) reduction of ammonium by water; ammonium becomes ammonia E) reduction of N2 to ammonium; nitrogen atoms are incorporated into amino acids