Biology, asked by varshiniputanala, 5 months ago

how much percentage of oxygen is present in exhaled air

Answers

Answered by Anonymous

2

HEY MATE HERE IS YOUR ANSWER -

21 % OF OXYGEN IS PRESENT IN THE ATMOSPHERE...

HOPE IT HELPS YOU....!!!!

HAVE A GREAT DAY..!!!

Answered by graminvikaschandauli

1

the oxygen is present in the amount 21%

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