Match the process to its description.

Column A

1.
Conduction:
2.
Convection:
3.
Radiation:

Column B

a. Heat transfer due to density differences
b. Heat transfer by contact
c. Heat transfer due to wave motion

1. Conduction: b. Heat transfer by contact

2. Convection: a. Heat transfer due to density differences
3. Radiation: c. Heat transfer due to wave motion