Wastewater Story Class 7 Chemistry Chapter 18 | One Shot | BYJU'S 

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"Hola! Explorers to this brand new session of BYJU’S new series, ""BYJU'S Champions"". In today’s episode, your favourite Kriti Ma'am gives you a detailed insight into Class 7 NCERT Chapter 18, Wastewater story in One Shot.
In this chapter we will cover the following subtopics:
Wastewater
Water our lifeline
What is sewage?
Treatment of polluted water
Become an active citizen"
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