Answered

There are fewer molecules of air at high elevations, so air pressure is less.

Please select the best answer from the choices provided:

A. fewer

B. the same number of

C. more

D. none



Answer :

GinnyAnswer

Final answer:

At high altitudes, hemoglobin concentration increases due to lower atmospheric pressure.


Explanation:

Hemoglobin concentration would be expected to increase for people living at high altitudes where the air pressure is lower. This is because with lower atmospheric pressure, there is less oxygen available, so the body compensates by increasing the concentration of hemoglobin to bind and transport the limited oxygen more efficiently.


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