Chapter 16 - Water: A Precious Resource of Class 7 Science NCERT Book (PDF) is available here for download in PDF format. Chapter 16 of Class 7 Science NCERT Books is one of the important chapters and ...
1. (a) Which kind of garbage is not converted into compost by redworms? (b) Have you seen any other organism besides redworms in your pit? If yes, try to find out their names. Draw pictures of them.
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