miamjrodriguez miamjrodriguez

01-12-2014
Social Studies

Answered

Why doesn't the air run out of oxygen or fill up with carbon dioxide

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01-12-2014

Trees breath carbon dioxide in and breath out oxygen where humans do the opposite so we keep each other alive

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halbug2001 halbug2001

02-12-2014

the air won't ever "run out" of oxogen unless all of the tress and plants are killed and can not give out oxogen or we aren't here to give out dioxide, which the trees take in and do a process called photosynthesis which makes oxogen

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