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Which living species share a close evolutionary connection to either humans or whales?
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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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What are the four basic classes of organic molecules how do they differ structurally and functionally
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What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?
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Which living species share a close evolutionary connection to either humans or whales?...
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