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Mountaineers carry oxygen cylinders with them because (a) there is no oxygen on high mountains.

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asked Jan 31, 2018 in Science by Rohit Singh (61,782 points) ● 35 ● 134 ● 358

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 altitude.
(c) oxygen is used for cooking.
(d) oxygen keeps them warm at low temperature.
 

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answered Jan 31, 2018 by sameer (82,980 points) ● 5 ● 11 ● 37
selected Feb 2, 2018 by sarthaks
 
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(b) there is deficiency of oxygen on mountains at high altitude.

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