Ascent of high mountains may cause altitude sickness in man Prime csuse of

Ascent of high mountains may cause altitude sickness in man. Prime csuse of this is

Options

(a) Excess of CO₂ in blood
(b) Decreased efficiency of haemoglobin
(c) Decreased partial pressure of oxygen
(d) Decreased proportion of oxygen in air

Correct Answer:

Decreased partial pressure of oxygen

Explanation:

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