Science, asked by pushpasunil0497, 11 months ago

NCRT solution of class 7th chapter 18 subject science

Answers

Answered by shahana184

Answer:

Wastewater Story. ... Water Freshens Up — An Eventful Journey, Wastewater Treatment Plant (WWTP), Better Housekeeping Practices, Sanitation And Disease, Alternative Arrangement For Sewage Disposal And Sanitation At Public Places are the main topics discussed in this chapter.

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