Mountaineers carry oxygen cylinders with them because: a. The air is very cold up the mountain
b. There is less amount of oxygen in the air at the top of mountain
c. They feel happy carrying the oxygen cylinders and.
d. Oxygen is required for burning
Answers
Answered by
1
Answer:
Answer b
Explanation:
Answered by
1
Answer:
answer of your question is option a
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