make a powerpoint presentation on air and water pollution
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Actually....it takes a lot of run to make 1 presentation...thus it would be better if u could satisfy with just hw to make.....
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Air consists 78% of nitrogen and 21% of oxygen. But we can find some harmful substances in the air such as methane and carbon dioxide. They can pollute the air and create air pollution.
Similarly, harmful elements such as plastic and waste can pollute the water and we can face some serious problems in our drinking water which are connected with the rivers.
In this regard, we need to take some essential steps to decrease the air and water pollution.
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