plawry8987 plawry8987

23-08-2022
Biology

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Atmospheric pressure at the summit of Mount Everest is about one third the pressure at sea level, which is 760mmHg . If oxygen makes up 21 % of the atmosphere by volume, the partial pressure of oxygen (PO₂) on Mount Everest is approximately ________.
A. 53mmHg
B. 157mmHg C. 255 mmHg
D. 760 mmHg

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