Question

conduction is the transfer of heat through ______. choose one option a air and liquid b empty space c direct contact d electromagnetic waves

Explanation:

To solve this, we recall the definition of heat conduction. Conduction is the transfer of heat between substances that are in direct contact with each other. Option A describes convection (heat transfer in fluids like air and liquid). Option B and D describe radiation (heat transfer through empty space or electromagnetic waves). So the correct option is C.

Answer:

C. direct contact