Fact 1: If a thermal conductor is exposed to a source of heat then that conductor may become hot. Fact 2: Radiant heat is the way the sun heats the planet. Given the two facts above, what can cause a thermal conductor to become hot?

Choose from: A. exposure to ice. B. exposure to a freezer. C. Evaporation. D. exposure to the sun. E. exposure to metal. F. electricity. G. flow of electrons. H. Electrical energy.
Answer:
D.