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___________ is a gas that stops harmful ultraviolet rays from sun.
Correct Answer Is : Ozone ________________ is a secondary pollutant. Correct Answer Is : O3 Honking is a form of what type of pollution Correct Answer Is : Noise Which of the following is the major source of water pollution? Correct Answer Is : Sulphur dioxide Which disease is caused because of pollution Correct Answer Is : Asthma Which gas found maximum in Air? Correct Answer Is : Nitrogen Petroleum refineries are responsible for releasing which pollutant in the air? Correct Answer Is : Nitrogen Dioxide Coal based thermal plants are responsible for releasing which pollutant in the air? Correct Answer Is : Sulpher Dioxide Which gas is not a part of Green House gases? Correct Answer Is : Hydrogen per oxide