A. Phosphate rock only
B. Agricultural fertilizers only
C. Sewage and phosphate rock
D. Sewage and agricultural fertilizers
Correct Answer: Sewage and agricultural fertilizers ✔
Last Updated: May 23, 2024
A. Phosphate rock only
B. Agricultural fertilizers only
C. Sewage and phosphate rock
D. Sewage and agricultural fertilizers
Correct Answer: Sewage and agricultural fertilizers ✔
Last Updated: May 23, 2024