Science, asked by anushree9102009, 3 months ago

Mountainneers carry oxygen cylinder 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 mountain
C. the feel heppy carrying the oxygen cylinders
D. oxygen is required for burning​

Answers

Answered by prachiyadav4715
2
Option B is the answer
Answered by ranigupta1551999
2

Answer:

option (B) is a right answer

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