Which of the Following Is a Disadvantage of Gas Exchange

question 87

Multiple Choice

Which of the following is a disadvantage of gas exchange in water, as compared to gas exchange in air?

• A) Air is less dense than water.
• B) Air contains a higher concentration of oxygen.
• C) Less energy is needed to move air over a gas exchange surface.
• D) Oxygen diffuses more slowly through air than water.
• E) Air is less viscous than water.

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