CBSE Class 8 Answered
What do you mean by untreated sewage?
Asked by Topperlearning User | 29 Jul, 2016, 11:36: AM
Expert Answer
Untreated sewage is waste products from factorries, industries and feces matter of human. This waste is highly dangerous as it contains bacteria, virus, toxic substances etc.
Answered by | 29 Jul, 2016, 01:36: PM
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