Biology

The correct description of denitrification is:

C.Nitrogen is released back into the atmosphere from the animal’s waste or decomposers.

Here’s an explanation of how denitrification works:

1.Denitrification is the process in the nitrogen cycle where bacteria in the soil convert nitrates (NO₃⁻) into nitrogen gas (N₂), which is then released back into the atmosphere. This process typically occurs in anaerobic (low-oxygen) conditions, such as in waterlogged soils or deep layers of the soil, and is carried out by specific bacteria known as denitrifying bacteria.

2.The nitrates present in the soil (from processes like nitrification or the decomposition of organic matter) are converted into nitrogen gas, completing the nitrogen cycle by returning nitrogen to the atmosphere, where it exists as an inert gas (N₂).

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