make a powerpoint presentation on air and water pollution
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The contamination of the original serenity of the natural air and water by the influence of human activities and the acts of civilization is known as air pollution.
This has been the emerging problem of the world due to people are unable to restore their health-wellbeing.
This is now gaining concerns and interest amongst almost all the people of the world.
The contamination of the original serenity of the natural air and water by the influence of human activities and the acts of civilization is known as air pollution.
This has been the emerging problem of the world due to people are unable to restore their health-wellbeing.
This is now gaining concerns and interest amongst almost all the people of the world.