реферат Types of pollution
Instability, disorder, harm, discomfort to the ecosystem. Pollution control environmental management. Pollution generated by human activities. Some of the major causes of the pollution. Deforestation due to urbanization in various parts of the world.
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| Рубрика | Экология и охрана природы |
| Вид | реферат |
| Язык | английский |
| Дата добавления | 22.11.2012 |
| Размер файла | 290,9 K |
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