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 ( 94+ )
Otras preguntas
A TT genotype is said to be _____. homozygous heterozygous dihybrid
how to find the equation of a line passesthrough (1,4) and is parallel to y=-4x-5
Mark the consequence if it is intentional. A. Europeans take corn to Africa. Corn becomes an important crop there. B. Some sailors and conquistadors have smallp
what oils our joints?
What do the three Abrahamic faiths—Christianity, Islam, and Judaism—have in common? All believe in one god. All believe that Jesus was the messiah. All have spe
Wilson’s New Freedom worked to improve which of the following? A. public education B. international relations C. economic policy D. social welfare
what is simple subject the saturn rocket made travel to the moon possible
Which war resulted in territorial gains for the United States that caused sectional conflict in the years leading up to the Civil War? Revolutionary War War of
which type of lava flows easily? a) silica-rich b) composite c) basaltic d) smooth
Mark the consequence if it is intentional. A. Europeans take corn to Africa. Corn becomes an important crop there. B. Some sailors and conquistadors have smallp
