Discussion Forum : Air Around Us
Question -
Statement I: Mountaineers carry oxygen cylinders with them while climbing high mountains.
Statement II: The percentage of oxygen in air decrease with increasing altitude.
Statement II: The percentage of oxygen in air decrease with increasing altitude.
Answer: Option C
:
C
The percentage of oxygen in airis the 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 leading to less oxygen availbility for ourbody. Hence, mountaineers carry oxygen cylinders with them while climbing high mountains.
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:
C
The percentage of oxygen in airis the 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 leading to less oxygen availbility for ourbody. Hence, mountaineers carry oxygen cylinders with them while climbing high mountains.
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