Mo3usnurulhunt Mo3usnurulhunt

14-10-2016
Biology

contestada

When did humans begin polluting the earth?

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shorty26z shorty26z

14-10-2016

When new inventions arose, while many toxins have been around for centuries, the largest boom was the industrial revolution.

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ShadowWolf18 ShadowWolf18

14-10-2016

The humans started polluting the Earth when all sorts of different inventions started growing which caused a lot of toxin's to grow along with it.

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