Question

HELP MEDAL AND FAN. CHECK MY ANSWER
When the air under the envelop is heated, the balloon lifts. Which of the following statement is true?
Hot air balloons use radiation to rise.******
Hot air balloons use conduction to rise.
Hot air balloon use convection to rise.
How air balloon use air resistance to rise.

Answer 1

@paki

Answer 2

@Michele_Laino

Answer 3

@rational

Answer 4

@Michele_Laino please check

Answer 5

Here is a clue:
Conduction heats something else.
Convection is basically how hot air rises

Answer 6

Inside the balloon the hot air rise, due to convection

Answer 7

Oh. Ok

Answer 8

Where does the medal go too?

Answer 9

give medal to @Stormtrooper :)

Answer 10

I still have questions. Thank you guys

Answer 11

Thanks @Michele_Laino

Answer 12

:)