Home » Advanced Botany » Environmental Issues » Question
  1. Phosphate pollution is caused by
    1. phosphate rocks only
    2. agricultural fertilizers only
    3. sewage and phosphate rocks
    4. sewage and agricultural fertilizers
Correct Option: D

Part of fertilizers containing phosphates are passed down into water bodies as surface run off. Sewage contamination also results in algal bloom (eutrophication) due to increased availability of nitrate and phosphate.



Your comments will be displayed only after manual approval.