Transcription of CHAPTER15 Our Environment - NCERT
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CHAPTER15 Our Environment - NCERT
Science256 Activity Environment15 CHAPTERWe have heard the word Environment often being used on thetelevision, in newspapers and by people around us. Our elders tellus that the Environment is not what it used to be earlier; others say thatwe should work in a healthy Environment ; and global summits involvingthe developed and developing countries are regularly held to discuss environmental issues. In this chapter , we shall be studying how variouscomponents in the Environment interact with each other and how weimpact the ECO-SYSTEM WHA-SYSTEM WHA-SYSTEM WHA-SYSTEM WHA-SYSTEM WHAT ARE ITS COMPONENTS?
this chapter , we shall be looking at two of the envir onmental pr oblems in detail, that is, depletion of the ozone layer and waste disposal. 15.2.1 Ozone Layer and How it is Getting Depleted Ozone (O 3) is a molecule formed by three atoms of oxygen. While O 2, which we normally refer to as oxygen, is essential for all aerobic forms of life.
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