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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 08:30, marialandingin7520
Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above
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Which kingdom(s) include organisms that are autotrophic or heterotrophic? Plantae Animalia Archaebac...
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