10 lines on pollution संस्कृत में
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the word pollution means " making dirty", or 'contamination' of air, water and soil. It is the unfavourable alteration of our surroundings.
pollution is undesirable change in the physical, chemical or biological characteristics of our air, water and land. It is harmful to human life and other species
pollution is undesirable change in the physical, chemical or biological characteristics of our air, water and land. It is harmful to human life and other species
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