Mostly nitrogen, since a hot air balloon uses air & air is mostly nitrogen.
Let your ears hear what your lips are saying !
The hot-air balloon rises because it is inflated with . . . . . . . . wait for it . . . . . . . . hot air !
Hot air is used for hot air balloons.
gas and solid are both filled with hot air balloweens
Just regular air, which is heated. That's why they are called hot air balloons! The fuel gas used for heating the air is usually propane.
which gas is in ballons
gas and steam
No, hot air balloons, as the name suggests, contain hot air, not helium.
hydrogen, helium, hot air
A hot air balloon contains helium. M. Saffi.Ullah
there are many different types: hot air balloons, gas balloons, party balloons, weather balloons and many more complex types of balloons.
At a hot air balloon festival, hot air balloons slowly fill and then rise majestically in the predawn sky. These hot air balloons fly because of two fundamental principles of physics: the ideal gas law and Archimedes's principle.
Helium is the most used gas for balloons; sometimes hot air and rarely hydrogen.
hydrogen