Identify the group of non-mineral elements needed by plants.
A. PO4, CO3, SO4
B. C, H, O
C. N, P K
D. C, H, N
Answer:B
Identify the group of non-mineral elements needed by plants.
A. PO4, CO3, SO4 B. C, H, O C. N, P K D. C, H, N