Multiple Choice
Which of the following are "usable" forms of nitrogen (N) and sulfur (S) that plants and animals can assimilate to build proteins?
A) both N2 and NO3
B) both S2 and S3
C) both SO4 and NO3
D) both NH3 and S2
E) both N2 and S2
Correct Answer:
Verified
Correct Answer:
Verified
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