Результаты (
английский) 3:
[копия]Скопировано!
many plants and factories produce waste and dump them in the river. so the water in rivers is poisoned. the hole in the ozone layer is very dangerous for people: the ultraviolet light passes through them and reaches the earth. this radiation can cause dangerous disease. the population of many countries suffer from lack of water. nuclear weapons can make the terrible destruction on the planet. nuclear power plants are not so clear, as some believe, they cause the radiation pollution. today, the people realize the need to keep it clean, if humanity is to survive.
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