They have restrooms.
It falls out of the airplane
death happens if the airplane is over 20000 feet
To the What?
Airplane mode?
Into a container in the plane where it can be removed when the plane is back on the ground.
they store and then dump it over the ocean Somewhere.
nothing
poop
anal seepage
it rains poop ;)
you can get cancer and die
It becomes sterile...
Almost always. Unless the airplane happens to be an ultralight, or the car happens to be a Hummer.