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3. In high altitudes:

A. Oxygen level depletes ( )
B. Oxygen level increases ( )
C. Oxygen level remains constant ( )



Answer :

GinnyAnswer

Final answer:

Oxygen level decreases as altitude increases, leading to potential hypoxia.


Explanation:

Oxygen level depletes (A) as altitude increases. This decrease in oxygen concentration at higher altitudes can lead to hypoxia, causing challenges for individuals not acclimatized to such conditions. The body may respond by increasing hemoglobin levels over time to compensate for the reduced oxygen availability.


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https://brainly.com/question/37009032


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