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16-02-2016
Health

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True Or False. The chemical elements essential for life cannot be recycled

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CarlosFernandezVega CarlosFernandezVega

16-02-2016

Well, oxygen is quite essential for life, and while we take it from the air, plants take CO2 and H2O and expel O2, so false, I'd say thay essential elements for life can be recycled.

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16-02-2016

It is true. We can not recycle oxygen or carbon dioxide.

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