Результаты (
английский) 2:
[копия]Скопировано!
2) holes in the ozone layer is very dangerous to humans: ultraviolet radiation passes through them and reaches the ground. such radiation can cause dangerous diseases.
3), the population of many countries suffering from lack of water.
4) is able to produce a nuclear weapon terrible destruction on our planet. Nuclear power plants are not so "clean", as some believe they are the cause of radiation contamination.
5) the environment - that's all you see around you. Today, people understand that you need to keep it clean, if humanity is to survive.
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