At the Summit of a High Mountain, the Atmospheric Pressure

question 64

Multiple Choice

At the summit of a high mountain, the atmospheric pressure is 380 mm Hg. If the atmosphere is still composed of 21% oxygen, then the partial pressure of oxygen at this altitude is

• A) 0 mm Hg.
• B) 80 mm Hg.
• C) 160 mm Hg.
• D) 380 mm Hg.
• E) 760 mm Hg.

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