Question

18. Whedo mountains en Cury oxygen cylinders at high attitude
​

Answer 1

Explanation:

Mountaineers carry an oxygen cylinder along with them. It is because when they climb mountains, as altitude increases, the amount of oxygen level in the atmospheric air decreases as trees are not found at higher altitudes. As a result, mountaineers suffer from dizziness.

plzzz mark me as brainleist

Answer 2

Answer:

We carry oxygen cylinders at high attitude because the level of oxygen gets in decreasing order as hight increases.