Chapter 18 (Wastewater Story) of CBSE Class 7 Science NCERT Book (PDF) is available here for download in PDF format. Download now and prepare for CBSE Class 7th Science exam.

Chapter 16 Water: A Precious Resource (PDF) of Class 7 Science NCERT Book is available here for download in PDF format. Download now and prepare for CBSE Class 7 exam.

Students work together on an assignment about ecosystems and environmental impacts during a 7th grade science class. Education continues to decline in the latest report on children's well-being ...