joselemus1
joselemus1
30-05-2017
Biology
contestada
Why does it matter if our water is polluted?
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daujahnae
daujahnae
30-05-2017
Because of the germs and smog from the polluted air molecules is bad .
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psirockin2
psirockin2
30-05-2017
Because we need it to survive and if we contaminate all of it, we're doomed
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