why oxygen level decrease at high altitudes
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why oxygen level decrease at high altitudes
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Answer:
As we go high, oxygen level drops because there is no oxygen in the out space of Earth.
Explanation:
Answer:
Although the percentage of oxygen in inspired air is constant at different altitudes, the fall in atmospheric pressure at higher altitude decreases the partial pressure of inspired oxygen and hence the driving pressure for gas exchange in the lungs.
Explanation:
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