This Presentation is of Revision notes of Class 10 Science - Our Environment. Topics covered in this Presentation are as follows- Introduction, Living Beings, Food Chain, Flow of Energy, Eco system, ourEffect on Environment, Ozone layer Depletion, etc. Here is a demo of online video lecture. You can watch this complete video at http://www.dronstudy.com Alternatively, visit this URL to access this chapter directly http://dronstudy.com/video/class-x-our-enviornment/ ..... All the above mentioned topics are described in an interactive and efficient manner so that the students could easily understand them. Here is the list of important URLs related to dronstudy.com Youtube Video Link: https://www.youtube.com/watch?v=5vY4g6c3ENo Youtube Channel Link: http://www.youtube.com/channel/UCPiuJvuyMVFSwcIdBCTpTyQ Website Link: http://www.dronstudy.com Facebook Page:https://www.facebook.com/pages/Dronstudycom/582085731844505?ref=hl

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