Chemistry
Chemistry, 19.07.2019 21:00, danielweldon1234

What is the oxygen in the air we breathe classified as?

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Biology, 21.06.2019 18:40, abbypark0804
The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?
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Chemistry, 27.09.2019 00:00, erickcastillo9124
The higher up you go, it gets harder to breathe because air is less dense which means that there are molecules of oxygen to breathe into our lungs. !
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Chemistry, 01.10.2019 20:20, 24chrim
The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe eat day? air is 21% oxygen by volume.what volume of oxygen do you breathe each day?
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