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2 Points Which are forms of nitrogen that are usable by humans? O A. Ammonia, nitrates, nitrites O B. Oxygen, carbon, water O C. Nodules, roots, fertilizer O D. Phosphorus, nitrates, nodules
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2 Points

Which are forms of nitrogen that are usable by humans?
O
A. Ammonia, nitrates, nitrites
O
B. Oxygen, carbon, water
O
C. Nodules, roots, fertilizer
O
D. Phosphorus, nitrates, nodules

User Patforna
by
3.3k points

2 Answers

5 votes

Answer:

A

Step-by-step explanation:

Its in plants

User Berend De Boer
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3.0k points
0 votes
A. Ammonia, nitrates, nitrites
User Hatim Stovewala
by
3.5k points
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