Ecological problems

Among the most urgent problems are the ozone layer, acid rains, global warming, toxic pollution of atmosphere, disappearance of forests, contamination of underground waters by chemical elements, destruction of soil in some areas.

Рубрика Иностранные языки и языкознание
Предмет Английский язык
Вид топик
Язык английский
Прислал(а) Ulyana
Дата добавления 13.05.2002
Размер файла 5,9 K

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