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Air Is Everywhere

Air at high a...

Question

Air at high altitude has a higher percentage of oxygen as compared to that at low altitude.

A

Caves

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B

Ocean

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Solution

The correct option is B
Ocean

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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