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 ( 62+ )
Otras preguntas
Each student wrote a two step equation. peter wrote the equation 4x - 2 =10, and andres wrote the equation 16x - 8 = 40. the teacher looked at their equations a
3.4-2.8d+2.8d-1.3. Combine like terms to simplify the expression
Write the ratio 8:20 in the simplest form
The line segment s bisects the angle C so that the two angles labeled x are equal. Show that the length of this angle bisector is s= 2abcosx/a + b
3.4-2.8d+2.8d-1.3. Combine like terms to simplify the expression
how do breeders produce genetic variations that are not found in nature?
You let your neighbor's dog and it bites you. the reaction is a _____
Evaluate. 2^3+4⋅2−7 A.1 B.5 C.9 D.36
cotx+1=cscx(cosx+sinx)
If f(n) = n^ 2 - n, then f(-4) is _____. -20 20 12 -12
