Match the process to its description.

Column A
1.
Conduction:
Conduction
2.
Convection:
Convection
3.
Radiation:
Radiation
Column B
a.Heat transfer due to density differences
b.Heat transfer by contact
c.Heat transfer due to wave motion

1. Conduction: Heat transfer by contact

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