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Pollutions - PowerPoint PPT Presentation

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Title:

Pollutions

Description:

Types of pollution are-1.Air Pollution. 2.Water Pollution. 3.Noise Pollution. 4.Land Pollution. Air Pollution Air pollution is the human introduction into the ... – PowerPoint PPT presentation

Number of Views:37359
Avg rating:3.0/5.0
Date added: 2 November 2012
Slides: 15
Added by: Username withheld or not provided
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