Question

Airplane have pressurūzed cabins for passenger safety while flying high in theatmosphere.
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Answer 1

Explanation:

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Airplanes are pressurized because the air is very thin at the altitude they fly. The average passenger jet has a cruising altitude of about 30,000 to 40,000 feet. At this altitude humans can't breathe very well and our body gets less oxygen.

Answer 2

Answer:

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Airplanes are pressurized because the air is very thin at the altitude they fly. The average passenger jet has a cruising altitude of about 30,000 to 40,000 feet. At this altitude humans can't breathe very well and our body gets less oxygen.

Explanation:

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