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Eutrophication of a lake most likely is the result of 1. Elevated nitrogen gas level in water. 2. Elevated phosphorus levels in water. 3. Excessive concentration of CO2. 4. A decrease in oxygen content of the water. Which of the above is/are correct? (a) 1 only (b) 1 and 3 (c) 1 and 2 (d) 1 and 4 |
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Answer» The Right option is :(c) 1 and 2 |
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