Yes.
The effect of a hole on a paper airplane would depend on the type of paper airplane the hole is on, and where it is on the aircraft.
no
I know!
no
Well, if you want a certain TYPE of paper airplanes, and how many are there of that type, ask that. There is no real answer. A paper airplane is probably being made right now!
it could affect it because depending on the wing span, if they are wider then usual to catch more air.
I would say no.
aerodynamics
gliders
the lighter the paper the easier the lift.Heavey paper will drop quicker.
Type your answer here... no
Wax paper works good for strong, high-flying planes.