Can someone plz help me on this plz
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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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Biology, 22.06.2019 02:00, jaquiel9358
Name the glands associated with human digestive system
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Biology, 22.06.2019 17:10, Isaiahgardiner5143
Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next
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