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Question

Why do mountaineers carry an oxygen cylinder?


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Solution

Mountaineers carry oxygen cylinders:

  1. Atmospheric pressure at sea level is 101.325 kPa and 30 kPa at Mount Everest.
  2. As we climb mountains altitude increases.
  3. Oxygen level and atmospheric air pressure decrease with altitude increase.
  4. This limits oxygen diffusion into the blood.
  5. Hence, mountaineers carry pressurized oxygen cylinders with them.

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