Marrerochic
Marrerochic
19-11-2020
Biology
contestada
is oxygen man made or natural
Respuesta :
imbored231
imbored231
19-11-2020
Answer:
Natural
Explanation:
It appears naturally such as in our atmosphere.
Answer Link
YasmeenGhannam
YasmeenGhannam
19-11-2020
It is natural. We actually take in oxygen. Plants create oxygen.
Answer Link
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