NCERT Exemplar Solutions Class 7 Science Solutions for Wastewater Story - Exercise in Chapter 18 - Wastewater Story

Question 24 Wastewater Story - Exercise

How are open drains harmful for human health?


The open drainage system causes problems with the foul smell. The open drainage system is the breeding sources for mosquitos and flies. The open drainage system also helps in the growth of disease-causing organisms. Hence drains are harmful to human health.

Video transcript
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