Study Biology

Question 74

(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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