Question

Give reason.

i) Mountaineers carry oxygen cylinder with them while climbing high mountains.

ii) During any fire incident, it is advised to wrap a woollen blanket over the burning object.​

Answer 1

Answer:

1. As we go higher on the mountains, the air becomes thinner. The amount of oxygen decreases and it becomes hard to breath. Therefore, mountaineers carry oxygen cylinders with them.

2. Blanket cuts the supply of oxygen to the object that is burning, thereby prevents it from further burning.

Answer 2

Answer:

Answer: As we go higher on the mountains, the air becomes thinner. The amount of oxygen decreases and it becomes hard to breath. Therefore, mountaineers carry oxygen cylinders with them.