a
Lack of oxygen → Death of aquatic organisms → Massive algal growth
b
Excess nitrates and phosphates → Massive algal growth → Lack of oxygen → Death of aquatic organisms
c
Heavy mineralization → Lack of oxygen → Massive algal growth
d
Excess nitrates and phosphates → Lack of oxygen → Massive algal growth → Death of aquatic organisms
Explanation
Correct Option
bNo explanation available
Video Explanation
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