Biology, 25.08.2019 09:30 thelonewolf5020
2) oxygen constantly diffuses from air or water into a animal's bloodstream. for this to happen, the concentration of oxygen in the blood must be
a. greater than the concentration of oxygen in the air or water.
b. greater than the concentration of carbon dioxide in the air or water.
c. lower than the concentration of oxygen in the air of water.
d. lower than the concentration of carbon dioxide in the air or water
Answers: 1
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Theories basic to all of the life sciences include the germ theory of disease. theory of evolution by natural selection. o two of these answers are correct none of these answers are correct o cell theory.
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2) oxygen constantly diffuses from air or water into a animal's bloodstream. for this to happen, the...
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