Environment problems
Global ecological crisis. Pollution of atmosphere. The preservation of the biosphere of an ozone layer of the atmosphere absorbing ultra-violet radiation harmful for live oragnizm of the Sun. Reduction of number of the woods. Exhaustion of rainforests.
| Рубрика | Экология и охрана природы |
| Предмет | Ecology |
| Вид | презентация |
| Язык | английский |
| Прислал(а) | Оля |
| Дата добавления | 03.10.2012 |
| Размер файла | 368,2 K |
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