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Question
The prime contaminants in the lakes undergone eutrophication by sewage and agricultural wastes are
The prime contaminants in the lakes undergone eutrophication by sewage and agricultural wastes are
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Solution
The correct option is C Nitrates and phosphates
Nitrogen and phosphorus are the main constituents of fertilizers. The indiscriminate use of fertilizers harms the environment in various ways. When nitrogen in the form of nitrates and phosphorus in the form of phosphates wipe out from the agriculture field through excessive irrigation or rain and even from the sewage, mixed with lake and causes eutrophication by supporting the algal bloom. So, the correct answer is 'Nitrates and phosphates'.
Nitrogen and phosphorus are the main constituents of fertilizers. The indiscriminate use of fertilizers harms the environment in various ways. When nitrogen in the form of nitrates and phosphorus in the form of phosphates wipe out from the agriculture field through excessive irrigation or rain and even from the sewage, mixed with lake and causes eutrophication by supporting the algal bloom.
So, the correct answer is 'Nitrates and phosphates'.
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