Question

Will give medal
Choose the situation that is an example of heat transfer by radiation.

A.
An ice cube melts while you hold it in your hand.

B.
Hot soup rises to the top of the bowl while cooler soup sinks to the bottom.

C.
Coastal temperatures are cooler than temperatures in inland areas.

D.
The sun's energy is transferred through the vacuum of space to the earth.

Answer 1

Which one do you think it is? Why or why not? It would be easier to tutor you if you explain what about the question is giving you trouble :)

Answer 2

D?

Answer 3

Yes that is correct. Heat from sun reaches earth via light rays. This is called as radiation and it does not require any kind of material medium and can propagate through vacuum also.

Answer 4

This question is unrelated to Biology, post similar questions in Physics section from next time. Thank you.

Answer 5

thanks

Answer 6

merry xmas

Answer 7

Yes, same to you :)