GyanGramThere is a concern over the increase in harmful algal blooms in the seawaters of India. What could be the cau…
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There is a concern over the increase in harmful algal blooms in the seawaters of India. What could be the causative factors for this phenomenon?
1. Discharge of nutrients from the estuaries.
2. Run-off from the land during the monsoon.
3. Upwelling in the seas.
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• Correct Answer: D
• Estuarine nutrient discharge, monsoon runoff carrying fertilizers, and upwelling of deep nutrient-rich waters all fuel algal blooms.
• Each factor independently increases nitrogen and phosphorus availability in surface waters.
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