Environment Ozone hole

1. Presented by: Hira Sumbal (15) Aarfa Tufail (11) Nawal Khalid (25) shereen Rehman (31) Ozone hole 2. “It is a naturally occurring layer in stratosphere extended from…

Environment Ozone Layer by Girishwar

PowerPoint Presentation INOVIT-2015 SOUTH INDIA LEVEL SCIENCE CONTEST FOR SCHOOL CHILDREN Venue: VIT University, Vellore-632 014, Tamil Nadu 24-25, January 2015 1 PARTICIPATOR…