0 Question: why do we need carbon dioxside Keywords: carbon dioxide Asked by cat17 to Luis on 22 Jun 2016.
Luis Perez Calderon answered on 22 Jun 2016:
Carbon dioxide (CO2) is a source of food for many organisms. We can’t eat it but some organisms turn it into organic matter, which can later be eaten by other organisms and after a long chain, it eventually gets to us humans.
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