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सामान्य ज्ञान
: विज्ञान
पर्वतारोही अपने साथ सिलेंडर लेकर चलते हैं। , Mountaineers carry cylinders with them.
पर्वतारोही अपने साथ सिलेंडर लेकर चलते हैं।
Mountaineers carry cylinders with them.
A. कार्बन डाईऑक्साइड (Carbon dioxide)
B. नाइट्रोजन (Nitrogen)
C. पानी ( Water)
D. ऑक्सीजन (Oxygen)
Correct Answer :
D. ऑक्सीजन
Explanation
Mountaineers carry oxygen cylinders with them.
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