Multiple choice

Which of the following cylinders do mountaineers carry with them while climbing mountains?

  1. Carbon dioxide cylinders

  2. Oxygen cylinders

  3. Nitrogen cylinders

  4. Hydrogen cylinders
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Mountaineers carry oxygen cylinders with them because at high altitudes, oxygen becomes sparse which causes many complications in the human body. That’s why they need oxygen cylinders to breathe.

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