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To make learning a good experience for the students presentations are very helpful. Use this free environmental pollution ppt right away. Make a presentation on natural sciences regarding the chemical composition of pollutants and their effect on the ozone layer. Air pollution primarily comes from burning fossil fuels such as natural gas, petroleum, and coal. Test your kicking skill and beat as many balls as you can. Oct 11, 2007 download pollution powerpoint templates for presentations. Definition of pollution when harmful substances contaminate the environment it is called pollution. Free air pollution ppt template download free powerpoint ppt. Find collection of free to download pollution powerpoint templates.
The environment, reuserecycle, the water cycle, world problems. Thousands of ppt templates easy to edit with highquality slides, created by top designers around the world. Free ppt on pollution software free download free ppt on. Environmental pollution can be defined as a change that is not wished or desired in the chemical, physical, or biological characteristics of any component of the environment air, water, and soil which can cause harmful effects on various or many forms of life.
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