Environment & Ecology · Environmental Studies
Mountaineers carry oxygen cylinders with them primarily because they need them for:
- 1Providing structural support for pitching tents.
- 2Breathing as less oxygen is available at high altitudes.✓
- 3Keeping themselves warm by burning the oxygen in the cylinder.
- 4Cooking food as the availability of fuel is less in the mountains.
Correct answer
Breathing as less oxygen is available at high altitudes.
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