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

Question 38 Wastewater Story - Exercise

Think and suggest some ways to minimise waste and pollutants at their source, taking your home as an example.


(i) Do not throw used tea leaves, solid food remains, etc. in the drain. Throw them in the dustbin.

(ii) Chemicals like medicines, paints, insecticides, etc. should not be thrown in the drain, as they increase the pollution load of the sewage.

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