Which of the following orders correctly represents the trend in eutrophication?
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- 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
Correct Answer: Option B
Explanation:
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