The Conversion of Nitrate (NO3-) to Nitrogen Gas (N2) Is

Question

The conversion of nitrate (NO3-) to nitrogen gas (N2) is called ______.
A) ammoniﬁcation
B) nitriﬁcation
C) denitriﬁcation
D) nitrogen ﬁxation
E) photosynthesis

Accepted Answer

Denitrification is the process by which nitrate (NO3-) is reduced and eventually converted into nitrogen gas (N2), which is then released into the atmosphere. This process is part of the nitrogen cycle and is carried out by certain bacteria in the soil and water.