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प्रश्न
How can we control eutrophication?
टिप्पणी लिखिए
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उत्तर
Eutrophication can be controlled by reducing the use of fertilizers in agricultural lands, checking the runoff from fields, planting vegetations along the stream beds thereby the nutrients will be uptaken by plants.
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संबंधित प्रश्न
Write notes on the following:
Eutrophication
|
The scientists from a research institute collected samples of water from sewage pipes of two different cities, A and B. On analysis, the BOD value of the sample from city A was found to be 500 mg/L. The BOD value of the sample from city B was 200 mg/L. |
- Which one of the two cities needs a sewage treatment plant?
- Briefly discuss the steps involved in the treatment of sewage.
- What will be the effect of sewage treatment on the value of BOD?
