hot air balloons work due to a current moving heat energy around within the balloon. which heat energy transfer process is happening here?

a.) conduction
b.) convection
c.) radiation

Respuesta :

Answer:

Convection.

Explanation:

Why? This transfer of heat energy away from the ground by the vertical movement of air is called "free convection" or "natural convection." A hot air balloon rises because warmer air is less dense than cool air.                                                (plz brainlyest)

Answer:

The answer is

b.) convection

Explanation: