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Subjects
Science CBSE
Class 7
Wastewater Story
Treatment of water and importance
9.
House keeping and sanitation
Exercise condition:
3
m.
Choose the best options:
1.
Choose the place where garbage should be thrown.
Roads
Dust bins
Houses
Drains
2.
Swachh Bharat was started in the year
2019
2017
2018
2016
3.
Identify the chemical substances.
Fats
Tea leaves
Insecticides
Oils
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