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??????: ????????????? ????????? - подобные работы
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???????????? ????????????? ??????????? ?? ??????? ?????????? ????????????? ????????: "??????? ? ????????". ????????????? ??????????? ? ?????? ?????????? ?????. ????????? ??? - ??????? ? ????????. ??????? ????????? "man and biosphere".
Подобные документы
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.
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