Question

aeroplane cables are said to be pressurised .what do you mean by this why it is done.

answer with in 3 lines.

answer most suitable and appropriate.
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Answer 1

Answer:

Airplanes are pressurized because the air is very thin at the altitude they fly. ... At this altitude humans can't breathe very well and our body gets less oxygen. This is called hypoxia and can cause slower thinking, dimmed vision, and death.

Answer 2

Answer:

Hi! Your answer is:

Aeroplanes are pressurized because at high altitudes air pressure becomes low . This can lead to bleeding in nose and pain in ears.

At high altitudes breathing becomes difficult.

Hope it helps you !!!