100+ Air dirty PowerPoint (PPT) Presentations, Air dirty PPTs

Air dirty - PowerPoint PPT Presentation

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Revision. 1. To see is to believe ./ Seeing is believing . 2.I have some clothes to wash / to be washed . 3.When I came in, he pretended to be reading . 4.He seems to have finished his work . 5.The book is said to have been put into Chinese

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575 views • 42 slides

AIR POLLUTION IS BAD!

AIR POLLUTION IS BAD!. Ways to save the air and our Earth. By: Ally, Holt, Huntley & Trace. What is Air Pollution?. Air pollution is a mix of gases, car exhaust, and factory smoke that makes the air dirty. Air pollution can also be dust and pollen that makes the air harmful to breathe .

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650 views • 10 slides

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Air dirty - PowerPoint PPT Presentation

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AIR POLLUTION IS BAD!