Think about it. A balloon, filled with air (not helium, not hydrogen, normal air), not only is capable of lifting something off the ground in general, can lift a 2000 lb. Groudon OFF THE GROUND, ENOUGH THAT IT IS UNAFFECTED BY AN EARTHQUAKE! It's not even hot air! How does it work?
OK, I know that Pokémon and logic are mutually exclusive, but how?
Also, obligatory how does Elektross levitate question.
Think about it. A balloon, filled with air (not helium, not hydrogen, normal air),
As if Pokémon is the first thing to get this wrong. Just today, I watched a Looney Toons episode where Bugs inflated someone (one of those second-string rivals of his) with a bike pump and they floated away as if filled with helium.
It's a common media trope that any gas will turn a semi-flexible, somewhat hollow object into a balloon.