Questions to the text on ecological problems: Why are the wild animals in danger?
What climatic changes are the most threatening?
Is there any way to make our air cleaner
What is Greenpeace?
What are the main ecological problems?
Why are birds, fish plants disappear?
What pollutes cities?
What should we do to protect the city?
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Den5220    3   09.12.2020 12:03    80