Sound is transmitted through solids, liquids and gases as the vibration is passed from a molecule to....

Sound is transmitted through solids, liquids and gases as the vibration is passed from a molecule to its neighbors. Which of the heat transfer methods is this most similar to?

a. radiation
b. conduction
c. convection

I would say conduction because.. when sound travels it knocks another particle and so on and that is how it travels.
Radiation doesn't need a medium to travel but sound does so it wouldn't be radiation.
And convection is more or less going in circles which sound doesn't do. Sound is a longitudinal wave.

Therefore it is coduction as it is being passed on without the medium moving it self.