mountaineers carry oxygen in cylinder when they climb mountain that are more than 5000 m high . what could be reason for that ?
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8
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because at much height the level of oxygen is very low and mountaineers are unable to breath so mountaineers at more than 5000 m high carry oxygen cylinders to breath properly
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as we go higher from the surface of the earth the air in the mountaineer carry oxygen in cylinder when there climb mountain that are more than 5000 metres high to get sufficient supply of oxygen
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