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Mountaineers carry oxygen cylinders with them because - Science

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प्रश्न

Mountaineers carry oxygen cylinders with them because

विकल्प

  • there is no oxygen on high mountains.

  • there is deficiency of oxygen on mountains at high altitude.

  • oxygen is used for cooking.

  • oxygen keeps them warm at low temperature.

MCQ

उत्तर

there is deficiency of oxygen on mountains at high altitude.

Explanation:

With increase in altitude, the atmosphere gets thinner and levels of oxygen decreases. This makes it difficult to breathe in higher altitudes as oxygen supply is reduced.

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अध्याय 15: Air Around Us - Multiple Choice Questions [पृष्ठ ८९]

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एनसीईआरटी एक्झांप्लर Science [English] Class 6
अध्याय 15 Air Around Us
Multiple Choice Questions | Q 4. | पृष्ठ ८९
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