the risks and benefits of airplanes are that you can travel practically anywhere and that you might die doing it
they fly
To be an airplane with jet engines? All jet airplanes leave contrails.
“Benefits & Risks”
Yes.
Gravity.
Air
five jet
dude, its not a proscription drug it doesn't have risks and benefits. :)
fluorecent orange
No. Airplanes are faster.
No
With an engine--either prop or jet.