Question

The mountaineers carry oxygen with them because:



-: At an altitude of more than 5 km there is no air.​

Answer 1

Answer:

please mark me the brainliest

Explanation:

mountaineers carry Oxygen gas with them because when the climb mountains as altitude rises the amount of oxygen well in the atmospheric air decreases as trees are not found in the higher attitudes as a result mountaineers suffer from dizziness

Answer 2

Answer:

when we go upwards the amount of oxygen decreases that's why the mountaineers carry oxygen with them.