Question

Heat can be transferred through conduction, convection, and radiation. What is necessary in order for heat to be transferred by conduction?

A.
Heat must be transferred in the form of currents.
B.
The objects must be in direct contact with one another.
C.
Heat must be transferred through space.
D.
The substances must be liquids or gases.

Answer 1

I think your answer is B.) The objects must be in direct contact with one another