Phosphate pollution is caused by :
Correct answer: D. Sewage and agricultural fertilizers
- A. Weathering of phosphate rocks only
- B. Agricultural fertilizers
- C. Phosphate rocks and sewage
- D. Sewage and agricultural fertilizers
Explanation
Phosphate pollution occurs by Sewage and agricultural fertilizers. Algal blooms occurs when phosphate in large amount enters in water bodies therefore sunlight does not reach to the aquatic animals and plants which leads to their death.
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