The water pollution
Water pollution is a large set of adverse effects upon water bodies such as lakes, rivers, oceans, and groundwater caused by human activities. Sources of water pollution. Water pollution in Belarus. Man-made water systems. Natural water contamination.
| Рубрика | Экология и охрана природы |
| Предмет | Ecology |
| Вид | реферат |
| Язык | английский |
| Прислал(а) | Катя |
| Дата добавления | 19.11.2011 |
| Размер файла | 17,0 K |
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