In which situation has heat energy moved mainly by conduction through matter?
Responses.

A: A radiator heated with hot water warms a room.
B: The red-hot coil of an electric space heater is used to keep a small room warm.
C: The handle of a cast iron skillet being used to cook something becomes too hot to touch.
D: The person sitting closest to the blazing fire finds it necessary to move farther from the heat.
The person sitting closest to the blazing fire finds it necessary to move farther from the heat.