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>a very beautiful harmonious life structure called the planet earth

Harmonious ? There have been multiple extinction events in the history, things go out of balance all the time.

Not in the same rate after an advancement of mankind.

I'm not so sure. How many species went extinct in the first couple years right after the asteroids impact?

Or in the greatest pollution event ever - when plants filled this atmosphere with oxygen. The poor obligate anaerobic organisms never stood a chance, they were massively exterminated.

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