By which method is heat transferred in a hot-air balloon?

Conduction

Convection

Evaporation

Radiation

Convection

Step-by-step explanation:

It is convection because the heat from the fire rises as the cold are falls. The gets trapped in the balloon part but continues to rise, life the balloon into the air.

This is a science question. Don't for get to put things in the right category,

It is transferred by convention current.