Which of the following are the dissolved materials present in domestic sewage?(a) Sand(b) Clay(c) Nutrients(d) BacteriaThe question was posed to me in unit test.I need to ask this question from Environmental Issues topic in chapter Environmental Issues of Biology – Class 12

Which of the following are the dissolved materials present in domestic

1.	Which of the following are the dissolved materials present in domestic sewage?(a) Sand(b) Clay(c) Nutrients(d) BacteriaThe question was posed to me in unit test.I need to ask this question from Environmental Issues topic in chapter Environmental Issues of Biology – Class 12
Answer» Right ANSWER is (C) Nutrients For explanation: These are the smaller size particles that can easily PASS through all the filters hence said as dissolved MATERIALS. They contain various nutrients like ammonia, calcium, NITRATE, phosphate, and sodium.

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Which of the following are the dissolved materials present in domestic sewage?(a) Sand(b) Clay(c) Nutrients(d) BacteriaThe question was posed to me in unit test.I need to ask this question from Environmental Issues topic in chapter Environmental Issues of Biology – Class 12

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