Question

molecules move from the hotel body to the colder body in: convection conduction radiation or none of these

Answer 1

All the three are modes of heat transfer.

I think the most appropriate answer is conduction. 

Answer 2

Of all the modes of heat transfer. Convection is the mode of heat transfer in which the molecules move from hotter body to the colder body.

So when the molecules move from hotter body to colder body it's convection
Ex;; boiling of water,radiator.


Hope this helps.