mariannicole
mariannicole
03-02-2017
Geography
contestada
Why do airplanes have pressurized cabins?
Respuesta :
Noname111
Noname111
03-02-2017
Because the air is very thin at the altitude they fly. The average passenger jet has a causing 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 Link
VER TODAS LAS RESPUESTAS ( 59+ )
Otras preguntas
What was this advertisement, published in salesmanship magazine in 1906, meant to convey to the publication's readers?
In isosceles triangle ∆ABC, AC is the base and AD is the angle bisector of ∠A. What are the measures of the angles of this triangle if m∠ADB = 110°?
In the poem "the soul selects her own society," what makes "pausing / kneeling" and "gate / mat" slant rhymes?
Anunder the u. s. constitution, americans are free to disagree with and criticize government officials. which amendment guarantees this right?
If the unit selling price is 2.50 and the unit cost is 1.00, what action is needed to maintain the gross margin percentage when unit cost increases 0.25?
What is the area of the triangle
A circle has an area of 324π cm2. What is the radius? a. 18 cm c. 18π cm b. 36π cm d. 36 cm
The transition zone from the outer core to the mantle is __________ and is known as the __________ discontinuity.
What processes can cause rock to break apart into sediment
The egyptians used a reed plant that grew along the nile to make baskets, sandals, rafts, and paper. what was the name of this plant?
