A. Ammonia and nitrogen
B. Nitrogen and organic nitrogen
C. Organic nitrogen and ammonia
D. All the above
Correct Answer: All the above ✔
Last Updated: August 25, 2020
A. Ammonia and nitrogen
B. Nitrogen and organic nitrogen
C. Organic nitrogen and ammonia
D. All the above
Correct Answer: All the above ✔
Last Updated: August 25, 2020