Вставьте необходимые предлоги. 1) Chlorofluorocarbons are released … the daily use of industrial and household products. 2) Deforestation could cause one forth of all species on earth to vanish … the next 25 years. 3) United Nations Environment Program (UNEP) concentrates its activities … these issues. 4) We are obliged to remove factories and plants … cities. 5) These are the main practical measures, which must he taken … order to improve the ecological situation.
1) from
2) within
3) on
4) from
5) in