Don't kill the World
Air, water and soil as necessity for existence of all living things. Importance of solving the environmental problems that endanger people's lives. Water and air pollution. Pesticides, rubbish and poison-beware. Reduction of pollution. Drainage systems.
| Рубрика | Иностранные языки и языкознание |
| Предмет | Ecology |
| Вид | доклад |
| Язык | английский |
| Прислал(а) | Салтанат |
| Дата добавления | 08.01.2011 |
| Размер файла | 27,1 K |
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