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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?
Answers: 1
Biology, 21.06.2019 18:50, hellokitty9440
Analyze the central conflict and its in a story to discover the theme. o resolution o protagonist antagonist character
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Biology, 22.06.2019 15:00, tatedason33741
Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective
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Which element is in group 2 period 2...
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