Study Biology

Question 75

(Multiple Choice)

At sea level, atmospheric pressure is 760 mm Hg. Oxygen gas is approximately 21% of the total gases in the atmosphere, so the approximate partial pressure of oxygen is


A) 0.2 mm Hg.
B) 20.0 mm Hg.
C) 76.0 mm Hg.
D) 160.0 mm Hg.
E) 508.0 mm Hg.

Answer

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