Mountaineers carry oxygen cylinders with them.

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Solution

mountaineers carry oxygen cylinder with them as there is lack of oxygen at high altitudes. Oxygen is heavier than other gases and sinks closer to earth, so the concentration up there isn't high enough for them.The ability to function is greatly reduced without the use of supplemental oxygen.

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Similar questions

Statement I: Mountaineers carry oxygen cylinders with them while climbing high mountains.

Statement II: The percentage of oxygen in air decrease with increasing altitude.

Question 4

Mountaineers carry oxygen cylinders with them because :

a) There is no oxygen on high mountains.

b) There is deficiency of oxygen on mountains at high atltitude.

c) oxygen is used for cooking.

d) oxygen keeps them warm at low temperature.

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