speech on highlight the role of students in preservation and conservation of environment
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Environment means the surroundings in which we all live. It includes every form of living and non-living thing on the planet earth. The major issue these days we are facing is environmental pollution. The harmful pollutants in the environment contaminate the environment and have several harmful effects on biotic and abiotic factors. The major types of environmental pollution include air pollution, water pollution, noise pollution, soil pollution, etc.
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