Question

Question 3

Which of the following is NOT part of the nitrogen cycle?
o nitrogen compounds in animal waste
nitrogen compounds in the soil
O nitrogen gas in rock
O nitrogen in the atmosphere

Answer 1

nitrogen gas in rock.
It is not included in the nitrogen circle while animal waste, atmosphere, and soil, are all steps of the nitrogen circle.

Answer 2

C. Nitrogen gas in rock

This is not included as part of the nitrogen cycle.