11th Class Chemistry Environmental Chemistry Question Bank 11th CBSE Chemistry Environmental Chemistry

  • question_answer        "Oxygen plays a key role in the troposphere while ozone in the stratosphere". Elucidate.


                    All biological activity takes place in the troposphere for which oxygen is required. Ozone in the stratosphere absorbs the harsh ultraviolet radiation coming from the sun which otherwise cause skin cancer, affect the cornea of the eye and may cause even blindness.


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