asked 188k views
1 vote
Which of these compounds are not a source of nitrogen for plants?

A. Ammonia
B. Proteins
C. Nitrates
D. Nitrites

2 Answers

7 votes

Answer:

B. Proteins

Step-by-step explanation:

answered
User Nick Hill
by
9.3k points
4 votes

Answer: D

Step-by-step explanation:

answered
User Darren Steinweg
by
8.1k points
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