human
Question: Heat transfer is part of everyday life. Which of these examples involving heat transfer occurs mainly by conduction?

Choices:
A) The sun warms the ground.
B) A hot oven warms a cold kitchen.
C) A campfire warms a person's hands.
D) Hot soup warms a metal spoon handle.
gpt
The correct answer is 3: Hot soup warms a metal spoon handle..