Why did people begin speaking about ecology in the 20th century and are still discussing...

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Why did people begin speaking about ecology in the 20th century and are still discussing it today?


Английский язык (16 баллов) | 165 просмотров
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Because ecology it's significant thing in our life. In the 20th century there are a lot of factories that pollute the environment. And today the construction of factories continues and pollution of the environment too.

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