it has been found that people living in at Higher altitudes have many more red blood corpuscles in the blood than people living in Plains . which one of the following best accounts for this phenomenon?
option-A
in the cold climate stimulates the production of red blood corpuscles to keep the body warm
OPTIONB
people of high mountains brief more quickly
OPTIONC
the low oil pressure required more red blood corpuscles to supply the blood cells withoxygen
OPTION D
the lower pressure in high mountain speech of the blood circulation so that more blood corpuscles are needed
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the low pressure in high mountain speech of the blood circulation so that more blood capsules are needed is the correct answer
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