#Link to download this PPT in pdf format: http://www.slideshare.net/BheemappaN/10th-science-chapter-2-environmental-issues-parisarada-samasyegalu-ppt-in-pdf-format-kannada-medium | #Link to download this PPT in pdf format: http://www.slideshare.net/BheemappaN/10th-science-chapter-2-environmental-issues-parisarada-samasyegalu-ppt-in-pdf-format-kannada-medium |