Q. 44.2( 5 Votes )

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.

Answer :

When we go higher and higher the oxygen and pressure decreases. At higher altitude the amount of oxygen decreases and it become difficult to breath so the mountaineers carry oxygen cylinders with them.

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