Paper, because it is much lighter, and a foil airplane will take up much more mass.
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Yes. A wider winspan will make a paper airplane fly farther.
gliders
custom
well some paper can be more heavy than other paper so yes
Foil printing is to print some pattern with the foil on the fabric or paper for shinny effect. There are 2 kind of foil printing method. First, pattern is printed by glue on the fabric or paper, and then pressed with foil paper by hot steel roller. Second is printing on the foil paper first, and then press the foil on the fabric or paper. Of course with hot steel roller or iron. Foil paper look like cooking foil, but it is called the stamping foil paper. Actually it is not the paper but the detachable foil film on the plastic base.
A paper airplane by ken Blackburn is the longest to stay aloftin 27.9 secs. but a walkalong glider flies long too but it is not a paper airplane because you still need to cut tape and fold.
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.
both foil and plastic repel water while water will wet paper so the answer is PAPER.
A Foil paper change size and shape when it's burn
moth because its flight path is very precise.
i think the construction paper airplane will fly farther