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Question : How did a citizen group called Friends of Arcata Marsh, Arcata, California, USA, help to improve water quality of the marshland using Integrated Waste Water Treatment ? Explain in four steps.

Answer»

SOLUTION :1.Primary Treatment
2. Secondary treatment involves treatment with (i) Bacteria (ii) Fungi and (iii) PLANTS to absorb/remove IMPURITIES from marshland.


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