Discussion Forum : Air Around Us
Question -
Air at high altitude has a higher percentage of oxygen as compared to that at low altitude.
Answer: Option B
:
B
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B
The percentage of oxygen in the air is same at sea level as it is at high altitudes, which is around 21%. However, at high altitudes the pressure is lower and air is more spread out. This leads to less oxygen availability for the body in each breathe.
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