The mountaineers carry oxygen gas cylinders with them while climbing high mountains . Give reasons.

The mountaineers carry oxygen gas cylinders with them while climbing h

1.	The mountaineers carry oxygen gas cylinders with them while climbing high mountains . Give reasons.
Answer» SOLUTION :With the increase in height , the percentage of oxygen decreases . HENCE , BREATHING BECOMES DIFFICULT and to facilitate breathing mountaineers carry oxygen gas cylinders with them.