mujhe pollution per 1line de do
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) Pollution is caused due to the mixing of toxic gases and chemicals into the ecosystem. 2) Harmful gases and chemicals from the chimneys of factories pollute the air. 3) The drainage of household and industrial waste into the river contaminates the river water.
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Pollution - - Any undesirable change in any substance or removal of desirable materials in any substance is known as pollution.
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