Questions with the keyword 'oxygen'
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I know we produce a ton of CO2 nowadays and some of it comes from the volcanoes erupting but a long time ago when it
by to Ian, Mathew, Naomi
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if fire needs oxygen to burn then how can the sun burn if it’s in the space which has no oxygen
by to Naomi
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I was wondering how do trees produce oxygen
by and 1 other. to Edward, Ian, Mathew, Naomi, sakshisharda
Comments: (So far, one comment )
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how do astronauts breathe in space?
by to Edward, Ian, Mathew, Naomi, sakshisharda
Comments: (No comments so far )