Which of the following is an example of radiation?
a. a metal spoon becomes warm after being set in a pot of boiling water.
b. warm water rises because it is less dense than cool water.
c. pancake batter cooks quickly after being spooned onto a hot griddle.
d. our atmosphere is constantly being heated by the sun.

Respuesta :

d. our atmosphere is constantly being heated by the sun

Radiation is heat transfer from a source through space.