Presentations | English
‘Wastewater Story’ is the 18th chapter of the grade 7 NCERT Science textbook. Wastewater management is essential in keeping our environment clean and healthy. Sewage, treatment of polluted water, wastewater treatment plants and sanitation are the various topics explained in this chapter. Download the two PPT on this chapter to enhance your learning experience and excel in your academics!
128.80
Lumens
PPTX (28 Slides)
Presentations | English