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Água, um bem essencial.

A importância de poupar água.

Alberto Nunes

on 11 December 2012

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Transcript of Água, um bem essencial.

Água - um bem essencial à vida 97.5% da água do Planeta encontra-se nos oceanos (água salgada) 2.5% corresponde a água doce Sabias que a água doce é escassa? 68.7% encontra-se sob a forma de neve e gelo 30.9% corresponde a água subterrânea 0.4% encontra-se nos rios e lagos
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