Why does a hot air balloon begin to rise when heated air is trapped inside the balloon?

Question

Thanks so much for the help,
:)~happy

Answer 1

Sorry you don't have to answer this. I was able to figure it out!! :)

Answer 2

Good for you. I answered the same question two days ago, by the way.

Answer 3

To get lifted by the convection energy from the hot air balloon to fly from ground level .