Shani0307

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User for 3 years | Last online 3 years ago (show activity)

@Shani0307 · 3 years ago

Air Pollutants and their Sources

Definataion of Air Pollutants The poisonous and harmful substances contaminated or pollute air are called air pollutants. Sources Carbon monoxide, Sulphur dioxide,Oxides of nitrogen, Chlorofluo...

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@Shani0307 · 3 years ago

Every one live for himself but I think live for others is a real meaning of life....️

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@Shani0307 · 3 years ago

Parasitism Parasitism is a realtionship between two organisms in which one harmed is other is helped

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