oxygen comprises of 50% of the earth's atmosphere? yes or no
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Answered by
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No...only 21% of atmosphere is oxygen
75%nitrogen
75%nitrogen
Answered by
2
nooooo...oooooo ..ooooo
zeeshanfazil:
mark as brainliest
its only 21%
yeah
then whats noooo
i answered to a questioning person
ohk
kk
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