The atmospheric pressure on top of Mt. Everest is only about 238 mmHg, so the approximate partial pressure of oxygen there is

A. 2.4 mmHg.
B. 50 mmHg.
C. 186 mmHg.
D. 238 mmHg.
E. 476 mmHg.


B. 50 mmHg.

Biology & Microbiology

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