Question

the volume of oxygen --------------with increase in altitudes​

Answer 1

Answer:

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Explanation:

the volume of oxygen ---decreases-----------with increase in altitudes.

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Answer 2

Answer:

The volume of oxygen decreases with increase in altitudes.

Explanation:

Because as altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level. ... The human body reacts to high altitudes. Decreased air pressure means that less oxygen is available for breathing.

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