-) What about forming oxygen again and putting it back in the air
Answers
Answered by
1
Answer:
it cannot be used
Explanation:
because we ibhale a mixture of gas which is mixed with amany gases so humans dose not have any use with pure oxygen
Answered by
1
Answer:
Yes !it is possible to form oxygen
Explanation:
the carbon dioxide in earth's early atmosphere vould have been turned into oxygen by intense UV light as well as by photosynthesis ,and about putting oxygen back into the air I cannot say anything.
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