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what blood vessels and chambers of the heart does a red blood cell pass as it delivers oxygen from the lungs to the brain and return to be oxygenated again.
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The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true
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Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
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Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous
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what blood vessels and chambers of the heart does a red blood cell pass as it delivers oxygen from t...
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