hydrogen gas which is lighter than oxygen
You can float using the balloons, but not fly.
they float
You can't float but you can fly. (Floating implies liquid, and Pluto has no liquid that we know of).
to fly eat balloons as kerby you well unlock the power to float
fly / levitate / float
Fly. Actually seaplanes do both and can take off and land from the water.
They don't float
neither..... they float with the wind! :-)
To fly.
Poppy seeds fly away
yes they doscientists have revealed it. Have you tried it it's just like sailing.------------------------------------------------------------------------------------Do boats float?no boats don't float, they sail.
Because they can float and fly easily.