Change Zone: Brain Zone Micro Life Zone Nitrogen Zone
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Asked by emeralddragon101 to Emma, Kristyn, Peter on 6 Sep 2013.
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Keywords: oxygen
Our body needs oxygen to survive!! I am not entirely sure about this, but I think they absorb other things from the air too, like nitrogen.
Our body needs oxygen to survive!! I am not entirely sure about this, but I think they absorb other things from the air too, like nitrogen.
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