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25 dic 1963 año - Section 5

Descripción:

The Clean Air Act has helped smog decrease more than 25%, reduce mercury emissions by 45%, reduce the main pollutants by 71%, and decrease lead air pollution by 92%. The Clean Air Act has helped the world today by

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Clean Air Act

ByEmily MacCluggage
19 oct 2018
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fecha:

25 dic 1963 año
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~ 61 years ago
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