Documents 1 Social Welfare and Environment PRESENTED BY:- R.VIDYABATHY, M.Sc., B.Ed., M.Phil., PG Asst. IN...

Slide 11 Social Welfare and Environment PRESENTED BY:- R.VIDYABATHY, M.Sc., B.Ed., M.Phil., PG Asst. IN CHEMISTRY G.B.H.S SCHOOL, VEPPANAPALLI, KRISHNAGIRI Dt. Slide 2 2…