Which of the following is an example of heat transfer by radiation?

A. Wind currents.
B. A pot of water on a boiling stove.
C. A bare foot on a hot sidewalk.
D. A microwave oven heating food.
Is it B?

3 answers

radiation? What is a microwave magnetron producing?
Microwaves produce radiation. So it is D?
I wonder what a boiling stove is?