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Pratik from DELHI PUBLIC SCHOOL , asked a question
Subject: Science , asked on 7/10/12

why do mountaineers carry oxygen cylinders with them ?

EXPERT ANSWER

Sneha Manaswita ,Meritnation Expert added an answer
Answered on 9/10/12

As height increases the atmospheric pressure decreases. Therefore, when we move up the oxygen available for breathing becomes less and so the mountaineers feel difficulty in breathing and need to carry oxygen cylinder to ensure sufficient oxygen supply.

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Aadya Gupta , From - , added an answer
Answered on 7/10/12

this is because the pressure of air is higher on mountains than that on ground